Merge restore entry points, avoid unnecessary new strings

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

@@ -39,9 +39,7 @@ import kotlin.math.max
 
 @OptIn(ExperimentalSerializationApi::class)
 class FullBackupManager(context: Context) : AbstractBackupManager(context) {
-    /**
-     * Parser
-     */
+
     val parser = ProtoBuf
 
     /**

app/src/main/java/eu/kanade/tachiyomi/data/backup/legacy/LegacyBackupManager.kt

@@ -58,9 +58,6 @@ class LegacyBackupManager(context: Context, version: Int = CURRENT_VERSION) : Ab
     var version: Int = version
         private set
 
-    /**
-     * Json Parser
-     */
     var parser: Gson = initParser()
 
     /**