Revert "Add permissions management setting so the user can easily access the Permissions Management app via settings."

This reverts commit 117580ddacaf898f6a13470d335b133f79b768a8.

Conflicts:
	res/values/cm_strings.xml
	res/xml/settings_headers.xml

Change-Id: Ibb85e74f4418a7df9a5b9d184f9df9d3fd222c5e