Revert "[2/2] Statusbar: Make double tap gesture configurable"

This reverts commit 396ccdaf17e3e6390cd836cae5fc0488cb2f95f3.

Conflicts:
	res/values/slim_strings.xml
	src/com/android/settings/slim/StatusBar.java

Change-Id: I51706fe4e26740f5b144ef9446ab5f6764a5b2e3