ril: Remove outdated blocks

These were dependencies for a chunk that's been commented out since forever,
and they can be removed
G-Proj: Remove gsm build.prop lines and gsm inherit

The LS970 is now using gproj-common, so gsm/cdma needs to be set in device
trees.

Change-Id: I502f335352c0a50bfab8d68712f5f3adcd274cf6
Merge "G-Proj: Remove gsm build.prop lines and gsm inherit" into cm-10.2
Merge branch 'cm-10.2' of git://github.com/CyanogenMod/android_device_lge_gproj-common into jb4.3