skyrocket: Gallery2 overlay is no longer used

Change-Id: I89c2971a3566a1e2619ff56810aed0954c474b3d
skyrocket: Clean up Samsung device inheritance

* Remove init.qcom.usb.sh
* Move torch package up to msm8660-common
* Move common items from device to celox-common
* Use nested cm.dependencies
* Move common system properties to celox-common, msm8660-common

Change-Id: Ifb0a1457032c8a87dbddb3c10f7ce2543ffbf714
Merge branch 'cm-11.0' of github.com:CyanogenMod/android_device_samsung_skyrocket into kk

Conflicts:
	cm.dependencies