Revert "ASoC: msm: qdsp6v2: add support to enable TTY during VoLTE call"

This reverts commit 4abc766f35314bb799d66e62a794df0702fc0dbe.

Change-Id: I80f3906a1dcc48acc59e015bf6e319d3b6b16c57
Merge "Revert "ASoC: msm: qdsp6v2: add support to enable TTY during VoLTE call"" into cm-11.0