remove menu inflation hack

Change-Id: I481f35120cb753f3c2f8cce815cff2ab4597e16b
diff --git a/src/com/android/browser/PhoneUi.java b/src/com/android/browser/PhoneUi.java
index 3415e39..f2ace49 100644
--- a/src/com/android/browser/PhoneUi.java
+++ b/src/com/android/browser/PhoneUi.java
@@ -284,16 +284,12 @@
 
     @Override
     public boolean onPrepareOptionsMenu(Menu menu) {
-        menu.setGroupVisible(R.id.NAV_MENU, false);
         if (mUseQuickControls) {
+            menu.setGroupVisible(R.id.NAV_MENU, false);
             mPieControl.onMenuOpened(menu);
             return false;
-        } else {
-            if (mNavScreen != null) {
-                mNavScreen.showMenu(menu);
-            }
-            return false;
         }
+        return true;
     }
 
     @Override