Revert "[Audiosharing] Check le audio mode for feature availability"

This reverts commit 1949f1cb.

Reason for revert: DroidMonitor: Potential culprit for http://b/402072244 - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted.

Change-Id: I77cf9bda93d484ceaaa3df2b6087f60751776f5a