Revert "hal: audio: add tz_names extn to support from audio platform_info xml"

tz_names support is added using key value pairs under
config params in audio_platform_info.xml.

This reverts commit 8225243c24793daba3e80930f3aef36c7b098267

Change-Id: I5bee7225f945b31e3df9372d00aeb003c2092d8b
7 files changed