Revert "fb: add config.xml option to permanently force permanent menu key"

This reverts commit b922cc760a56f57c5535fbc13de0571cf0bf3bc1.
Google has introduce a new way to configure it: 15b13a792c0fd1f7349347f096de86b85cfc2f1f

Conflicts:
	core/java/android/view/ViewConfiguration.java
	core/res/res/values/config.xml
	core/res/res/values/slim_symbols.xml

Change-Id: Icc1bc1674fcca8189815bb740a84e402fc9e5bdf
Revert "wifi: Allow Settings to retrieve country code"

This reverts commit 8522e9759aaceaf97b327516bc320be103c5a1a8.
Google changed the way to handle country code in 4.4.3

Conflicts:
	wifi/java/android/net/wifi/WifiStateMachine.java

Change-Id: I1645e0059b343309c69393dd4694579d7fe09a6b