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 https://github.com/CyanogenMod/android_device_samsung_skyrocket into kitkat

Change-Id: Id23014e2ada8531d9a7249010c45b885cacd31d5