Revert "audio: Support JB 4.1 and JB 4.2 audio blobs"

This reverts commit c1c5122a46c8c0e0fc71ba9465a6448b61ddb18c.
AudioPolicyService: Support MR1 audio_policy

Change-Id: I26abd352f327256856021b311efb1e23b46b6023