Remove ExperimentalSerializationApi opt-in annotations

app/src/main/java/eu/kanade/tachiyomi/data/backup/full/FullBackupManager.kt

@@ -29,7 +29,6 @@ import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.database.models.toMangaInfo
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.model.toSManga
-import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.protobuf.ProtoBuf
 import okio.buffer
 import okio.gzip
@@ -37,7 +36,6 @@ import okio.sink
 import timber.log.Timber
 import kotlin.math.max
 
-@OptIn(ExperimentalSerializationApi::class)
 class FullBackupManager(context: Context) : AbstractBackupManager(context) {
 
     val parser = ProtoBuf

app/src/main/java/eu/kanade/tachiyomi/data/backup/full/FullBackupRestore.kt

@@ -14,13 +14,11 @@ import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.util.lang.launchIO
-import kotlinx.serialization.ExperimentalSerializationApi
 import okio.buffer
 import okio.gzip
 import okio.source
 import java.util.Date
 
-@OptIn(ExperimentalSerializationApi::class)
 class FullBackupRestore(context: Context, notifier: BackupNotifier, private val online: Boolean) : AbstractBackupRestore<FullBackupManager>(context, notifier) {
 
     override fun performRestore(uri: Uri): Boolean {

app/src/main/java/eu/kanade/tachiyomi/data/backup/full/FullBackupRestoreValidator.kt

@@ -5,12 +5,10 @@ import android.net.Uri
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.backup.AbstractBackupRestoreValidator
 import eu.kanade.tachiyomi.data.backup.full.models.BackupSerializer
-import kotlinx.serialization.ExperimentalSerializationApi
 import okio.buffer
 import okio.gzip
 import okio.source
 
-@OptIn(ExperimentalSerializationApi::class)
 class FullBackupRestoreValidator : AbstractBackupRestoreValidator() {
     /**
      * Checks for critical backup file data.