Get rid of duplicate backgrounds

Bug: 8809491
diff --git a/res/layout-port/launcher.xml b/res/layout-port/launcher.xml
index 4b45807..346d29b 100644
--- a/res/layout-port/launcher.xml
+++ b/res/layout-port/launcher.xml
@@ -25,11 +25,7 @@
     android:background="@drawable/workspace_bg">
 
     <com.android.launcher2.DragLayer
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:launcher="http://schemas.android.com/apk/res/com.android.launcher"
-
         android:id="@+id/drag_layer"
-        android:background="@drawable/workspace_bg"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:fitsSystemWindows="true">
@@ -116,4 +112,4 @@
             android:layout_height="match_parent"
             android:visibility="invisible" />
     </com.android.launcher2.DragLayer>
-</FrameLayout>
\ No newline at end of file
+</FrameLayout>