le_audio: Revert^2 "Fix local disconnect reason code"

Tag: #feature
Bug: 216670337
Test: Manual

Revert submission
1962740-revert-1949059-fix_le_audio_reconnect_issue-TGMRFBPVYG

Reason for revert: May not have been the previous failure
Reverted Changes:
I69d4cd696:Revert "Fix local disconnect reason code"
Ibaf09f8ce:Revert "le_audio : Fix issue of LE Audio not conne...

Change-Id: I5c8fdaea4fda6798f64e81f6c05b244595b9bfdc