Revert "enable qcom a/v enhancements"

This partially reverts commit 4cd2853110b1a4f49a4db6e47bba22dfcb323183.

Change-Id: Ief5e468952377b29434d12e9bd010a10e9d1fcde
change build flag for legacy omx support

https://github.com/legaCyMod/android_frameworks_av/commit/9e983100a684493d6c2df7952af4fa04f252c19b

Change-Id: Iebc42e745df908fb80b75929bba1f91e149433f8
overlay: enable multicolor charging led

No, still can't be set to blue, purple or pink. :P
Red (ff0000)
Yellow=orange (ffff00)
Green (00ff00)
Black=off (000000)

Change-Id: If740ad4cdda36c97d2503349ebe21ace68262b35
remove unused property

Change-Id: I4bd857eb76e61774b28800756cb05352e276d6fa