Cleanup dead targets

* btconfigstore - part of QTI stack which is not being used
* cameraconfig.txt - unused by Camera HAL
* All vendor display HAL modules - are not in source.

Issue: FP3-A11#404
Change-Id: I1df98c175e5710ed979ac778f090f2c5a57896ce
(cherry picked from commit 6f27279b3c08ee54672586e402d61153dfa97a14)
1 file changed