removing DimmableBubbleTextView and DimmableAppWidgetHostView

- use of DimmableBubbleTextView might also be causing NPE on user machines
diff --git a/src/com/android/launcher2/FolderIcon.java b/src/com/android/launcher2/FolderIcon.java
index dae84aa..86c099e 100644
--- a/src/com/android/launcher2/FolderIcon.java
+++ b/src/com/android/launcher2/FolderIcon.java
@@ -29,7 +29,7 @@
 /**
  * An icon that can appear on in the workspace representing an {@link UserFolder}.
  */
-public class FolderIcon extends DimmableBubbleTextView implements DropTarget {
+public class FolderIcon extends BubbleTextView implements DropTarget {
     private UserFolderInfo mInfo;
     private Launcher mLauncher;
     private Drawable mCloseIcon;