Removing support for menu key from status bar

Bug: 131763491
Test: Verified that menu key doesn't show up for legacy apps
Change-Id: I1a93c2552945788331fdda376785647e7978da07
diff --git a/include/input/InputWindow.h b/include/input/InputWindow.h
index 916af69..f852cd0 100644
--- a/include/input/InputWindow.h
+++ b/include/input/InputWindow.h
@@ -63,7 +63,6 @@
         FLAG_DISMISS_KEYGUARD = 0x00400000,
         FLAG_SPLIT_TOUCH = 0x00800000,
         FLAG_SLIPPERY = 0x20000000,
-        FLAG_NEEDS_MENU_KEY = 0x40000000,
     };
 
     // Window types from WindowManager.LayoutParams