Revert "camera: Handle alternate face detection score"

* Use BOARD_FIX_FACE_DETECTION_SCORE instead.

This reverts commit 61d30cb4286ec7192107017f66eea8038e472219.

Change-Id: Iea651680421223c6ad92d70a3ec36445c20cc1fa
Merge "Revert "camera: Handle alternate face detection score"" into cm-10.2