montblanc: init.rc: Fix compcache and cleanup init file

   * needed to reflect changes in system/core
   * when http://review.cyanogenmod.org/#/c/29199/
   * and http://review.cyanogenmod.org/#/c/29200/ will be merged

Change-Id: I8ec921da6b4ef4749bc8c9b258130d863786f0af
Merge "montblanc: init.rc: Fix compcache and cleanup init file" into ics