jf-common: remove old device-specific sepolicies

Updating them through this: http://review.cyanogenmod.org/#/c/79149/

Change-Id: I2735cb58c38f1c933a79dc4a6201c6e6f8dc32d9
sepolicy: add device-specific sepolicies

Change-Id: Ibfce7ff8fcd2ca42d8e6b9b20eb662538a0915ce

Conflicts:
	sepolicy/file_contexts