refactor: ignore "UnstableApiUsage" lint warnings

We're aware that these classes are using `@Beta` functionality

Removes a lot of IDE lint warnings

lint-rules/src/main/java/com/ichi2/anki/lint/IssueRegistry.kt

@@ -1,3 +1,4 @@
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint
 
 import com.android.tools.lint.client.api.IssueRegistry

lint-rules/src/main/java/com/ichi2/anki/lint/rules/ConstantJavaFieldDetector.kt

@@ -13,6 +13,7 @@
  *  You should have received a copy of the GNU General Public License along with
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.detector.api.Implementation
@@ -30,8 +31,6 @@ import java.util.*
  * https://github.com/ankidroid/Anki-Android/wiki/Code-style#constant-final-variables-names-must-be-all-uppercase-using-underscore-to-separate-words
  * Constant (final variables) names must be all uppercase using underscore to separate words.
  */
-@KotlinCleanup("IDE warnings")
-@KotlinCleanup("Ignore unstable API warning")
 @KotlinCleanup("Remove after all are converted")
 class ConstantJavaFieldDetector : JavaFieldNamingPatternDetector() {
     override fun isApplicable(variable: UVariable): Boolean {

lint-rules/src/main/java/com/ichi2/anki/lint/rules/DirectSnackbarMakeUsage.kt

@@ -13,6 +13,7 @@
  *  You should have received a copy of the GNU General Public License along with
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.detector.api.*

lint-rules/src/main/java/com/ichi2/anki/lint/rules/DirectSystemCurrentTimeMillisUsage.kt

@@ -1,3 +1,4 @@
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.detector.api.*

lint-rules/src/main/java/com/ichi2/anki/lint/rules/DirectSystemTimeInstantiation.kt

@@ -1,3 +1,4 @@
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.detector.api.*

lint-rules/src/main/java/com/ichi2/anki/lint/rules/DirectToastMakeTextUsage.kt

@@ -13,6 +13,7 @@
  *  You should have received a copy of the GNU General Public License along with
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.detector.api.*

lint-rules/src/main/java/com/ichi2/anki/lint/rules/DuplicateTextInPreferencesXml.kt

@@ -1,16 +1,15 @@
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.resources.ResourceFolderType
 import com.android.tools.lint.detector.api.*
 import com.google.common.annotations.VisibleForTesting
 import com.ichi2.anki.lint.utils.Constants
-import com.ichi2.anki.lint.utils.KotlinCleanup
 import org.w3c.dom.Element
 
 /**
  * A Lint check to prevent using the same string for the title and summary of a preference.
  */
-@KotlinCleanup("IDe lint")
 class DuplicateTextInPreferencesXml : ResourceXmlDetector() {
 
     companion object {

lint-rules/src/main/java/com/ichi2/anki/lint/rules/FixedPreferencesTitleLength.kt

@@ -13,6 +13,7 @@
  *  You should have received a copy of the GNU General Public License along with
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.resources.ResourceFolderType

lint-rules/src/main/java/com/ichi2/anki/lint/rules/InconsistentAnnotationUsage.kt

@@ -13,6 +13,7 @@
  *  You should have received a copy of the GNU General Public License along with
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.detector.api.*
@@ -22,7 +23,7 @@ import com.ichi2.anki.lint.utils.ImportStatementDetector
 import com.ichi2.anki.lint.utils.KotlinCleanup
 import org.jetbrains.uast.UImportStatement
 
-@KotlinCleanup("IDE lint - ignore 'Beta'")
+@KotlinCleanup("IDE lint")
 class InconsistentAnnotationUsage : ImportStatementDetector(), SourceCodeScanner {
 
     companion object {

lint-rules/src/main/java/com/ichi2/anki/lint/rules/InvalidStringFormatDetector.kt

@@ -14,6 +14,7 @@
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.SdkConstants.*

lint-rules/src/main/java/com/ichi2/anki/lint/rules/JUnitNullAssertionDetector.kt

@@ -14,6 +14,7 @@
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.detector.api.*

lint-rules/src/main/java/com/ichi2/anki/lint/rules/JavaFieldNamingPatternDetector.kt

@@ -13,17 +13,16 @@
  *  You should have received a copy of the GNU General Public License along with
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.client.api.UElementHandler
 import com.android.tools.lint.detector.api.Detector
 import com.android.tools.lint.detector.api.JavaContext
-import com.ichi2.anki.lint.utils.KotlinCleanup
 import org.jetbrains.uast.UElement
 import org.jetbrains.uast.UField
 import org.jetbrains.uast.UVariable
 
-@KotlinCleanup("IDE Lint")
 abstract class JavaFieldNamingPatternDetector : Detector(), Detector.UastScanner {
     override fun createUastHandler(context: JavaContext): UElementHandler? {
         return VariableNamingHandler(context)

lint-rules/src/main/java/com/ichi2/anki/lint/rules/KotlinMigrationBrokenEmails.kt

@@ -14,6 +14,7 @@
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.detector.api.*

lint-rules/src/main/java/com/ichi2/anki/lint/rules/KotlinMigrationFixLineBreaks.kt

@@ -15,6 +15,7 @@
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.detector.api.*

lint-rules/src/main/java/com/ichi2/anki/lint/rules/NonPositionalFormatSubstitutions.kt

@@ -14,6 +14,7 @@
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.SdkConstants

lint-rules/src/main/java/com/ichi2/anki/lint/rules/NonPublicNonStaticJavaFieldDetector.kt

@@ -13,6 +13,7 @@
  *  You should have received a copy of the GNU General Public License along with
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.detector.api.Implementation

lint-rules/src/main/java/com/ichi2/anki/lint/rules/PreferIsEmptyOverSizeCheck.kt

@@ -13,6 +13,7 @@
  *  You should have received a copy of the GNU General Public License along with
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.client.api.UElementHandler

lint-rules/src/main/java/com/ichi2/anki/lint/rules/PrintStackTraceUsage.kt

@@ -13,6 +13,7 @@
  *  You should have received a copy of the GNU General Public License along with
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.detector.api.*

lint-rules/src/main/java/com/ichi2/anki/lint/rules/VariableNamingDetector.kt

@@ -14,6 +14,7 @@
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.rules
 
 import com.android.tools.lint.client.api.UElementHandler

lint-rules/src/main/java/com/ichi2/anki/lint/utils/Constants.kt

@@ -1,3 +1,4 @@
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.utils
 
 import com.android.tools.lint.detector.api.Category
@@ -7,7 +8,6 @@ import com.android.tools.lint.detector.api.Severity
 /**
  * Hold some constants applicable to all lint issues.
  */
-@KotlinCleanup("IDE Lint")
 object Constants {
     /**
      * A special [Category] which groups the Lint issues related to the usage of the new SystemTime class as a

lint-rules/src/main/java/com/ichi2/anki/lint/utils/ImportStatementDetector.kt

@@ -13,6 +13,7 @@
  *  You should have received a copy of the GNU General Public License along with
  *  this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+@file:Suppress("UnstableApiUsage")
 package com.ichi2.anki.lint.utils
 
 import com.android.tools.lint.client.api.UElementHandler
@@ -21,7 +22,6 @@ import com.android.tools.lint.detector.api.JavaContext
 import org.jetbrains.uast.UElement
 import org.jetbrains.uast.UImportStatement
 
-@KotlinCleanup("IDE lint")
 abstract class ImportStatementDetector : Detector() {
     abstract fun visitImportStatement(context: JavaContext, node: UImportStatement)
     override fun getApplicableUastTypes(): List<Class<out UElement?>>? {