Revert "Adding debugging and naive fix for issue 15334203"

This reverts commit ed11c14003.

Change-Id: Ifc46769477e590512cc5ab79a69063c0341f52b2

src/com/android/launcher3/ButtonDropTarget.java

@@ -75,7 +75,6 @@ public class ButtonDropTarget extends TextView implements DropTarget, DragContro
                 return drawables[i];
             }
         }
-        System.out.println("No drawable, returning null " + this);
         return null;
     }