Revert "SwypeBackLayout: Derp"

This reverts commit 52b73ffaae516dabebe3c6f626a2233108ba4d1b.
Revert "Activity: Init Swipe Back Gesture (2/2)"

This reverts commit 4872862b0b8a75cd4dc2a845e89c3e9288da7790.

Conflicts:
	res/values-zh-rCN/pa_strings.xml
	res/values/pa_strings.xml

Change-Id: I63f1019d0463182b534572e64f06ee72a0682052