Fix removal of optional settings tiles

Bug: 16654819

Fix the way the tiles get removed so the index is not out of sync
and there's no double deletion of entries.

Change-Id: I18da6b633884f51418c11afb0e177b49ca085fd0

src/com/android/settings/Utils.java

@@ -177,7 +177,7 @@ public final class Utils {
     }
 
     public static boolean updateTileToSpecificActivityFromMetaDataOrRemove(Context context,
-            DashboardCategory target, DashboardTile tile) {
+            DashboardTile tile) {
 
         Intent intent = tile.intent;
         if (intent != null) {
@@ -230,9 +230,6 @@ public final class Utils {
             }
         }
 
-        // Did not find a matching activity, so remove the preference
-        target.removeTile(tile);
-
         return false;
     }