jewel: update proprietary extraction script paths

Change-Id: I73a914e0b0b7cfb0d76780bcfe36466bae90a67d
Cleanup: remove unused files, duplicate packages

1) AudioBTID.csv: only used by msm8660 qcom audio-caf, not 8960
2) Keylayouts: removed those provided by AOSP in
   frameworks/base/data/keyboards
3) Packages: make_ext4fs and setup_fs already built by common

Change-Id: I96ab55b108053e0e76ea50b998005c4f134ad07c

Conflicts:
	jewel.mk
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1