skyrocket: remove ril_class prop; moved to qcom-common

Change-Id: I8013d4f79b105995799075bd5648ca99d42cfb7d
skyrocket: remove ril_class prop; moved to qcom-common

Change-Id: I8013d4f79b105995799075bd5648ca99d42cfb7d
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_device_samsung_skyrocket into cm-10.1