Fix warnings and remove dead code

Change-Id: I574d823fedf4b752c3df5a72599b390f708823ac
diff --git a/src/com/android/launcher2/Folder.java b/src/com/android/launcher2/Folder.java
index c502fb7..fcaf020 100644
--- a/src/com/android/launcher2/Folder.java
+++ b/src/com/android/launcher2/Folder.java
@@ -44,7 +44,6 @@
 import android.widget.TextView;
 
 import com.android.launcher.R;
-import com.android.launcher2.DropTarget.DragObject;
 import com.android.launcher2.FolderInfo.FolderListener;
 
 import java.util.ArrayList;
@@ -56,6 +55,7 @@
         View.OnLongClickListener, DropTarget, FolderListener, TextView.OnEditorActionListener,
         View.OnFocusChangeListener {
 
+    @SuppressWarnings("unused")
     private static final String TAG = "Launcher.Folder";
 
     protected DragController mDragController;