Revert "Fix Trebuched overlay (cell count)" - going to do it right and pull it from CM gerrit.

This reverts commit d6bf3b1e751b0742c1e08a58a64979ccf3979c70.
Adjust overlay for Trebuchet

- Adjusted overlay to set 5x5 grid as default
- Please see http://review.cyanogenmod.org/#/c/29745/

Change-Id: I6ad3b44d1b1ba1fcda2bfeee478bea7696ede914