Revert "ghost: Use wcnss_service to initialize wifi"

This reverts commit 2f84e5d0f8a588b7b89b626bb35ae61844e85b9f.

Change-Id: I83ef309f73c66a8eef5c66fdde7ed0ace9970b21
Merge commit 'refs/changes/38/76938/1' of http://review.cyanogenmod.org/CyanogenMod/android_device_motorola_ghost into kitkat