Remove action to delete saved image in notification

Can just open it and delete from whatever gallery app the user has which has way
more functionality.

Closes #8327

app/src/main/java/eu/kanade/tachiyomi/ui/reader/SaveImageNotifier.kt

@@ -83,12 +83,6 @@ class SaveImageNotifier(private val context: Context) {
                 context.stringResource(MR.strings.action_share),
                 NotificationReceiver.shareImagePendingBroadcast(context, uri),
             )
-            // Delete action
-            addAction(
-                R.drawable.ic_delete_24dp,
-                context.stringResource(MR.strings.action_delete),
-                NotificationReceiver.deleteImagePendingBroadcast(context, uri),
-            )
 
             updateNotification()
         }