Minor code cleanup

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsBackupController.kt

@@ -202,7 +202,7 @@ class SettingsBackupController : SettingsController() {
                     )
                 }
                 CODE_BACKUP_RESTORE -> {
-                    uri?.path?.let { path ->
+                    uri?.path?.let {
                         val fileName = DocumentFile.fromSingleUri(activity, uri)!!.name!!
                         when {
                             fileName.endsWith(".proto.gz") -> {
@@ -255,7 +255,6 @@ class SettingsBackupController : SettingsController() {
 
     fun createBackup(flags: Int, type: Int) {
         backupFlags = flags
-        val currentDir = preferences.backupsDirectory().get()
         val code = when (type) {
             BackupConst.BACKUP_TYPE_FULL -> CODE_FULL_BACKUP_CREATE
             else -> CODE_LEGACY_BACKUP_CREATE