Fixing bug 4998211, widgets with configuration not dropping in correct spot

-> cleaned up some dead code in the process

Change-Id: I05b20361b9f7ded0522bd4822532eaae9436ffea

src/com/android/launcher2/InstallWidgetReceiver.java

@@ -188,7 +188,7 @@ public class InstallWidgetReceiver {
 
             final PendingAddWidgetInfo createInfo = new PendingAddWidgetInfo(widgetInfo, mMimeType,
                     mClipData);
-            mLauncher.addAppWidgetFromDrop(createInfo, mTargetLayoutScreen, mTargetLayoutPos);
+            mLauncher.addAppWidgetFromDrop(createInfo, mTargetLayoutScreen, null, mTargetLayoutPos);
         }
     }
 }