Remove developer menu: AVDTP delay reports/inband ringing

Bluetooth AVDTP delay reports and inband ringing are used by default.
Developer option menu no longer used.

Bug: 79610154
Test: robolectric
Change-Id: I67fe10808151f101fc7e891f75953f8539255026
Merged-In: I67fe10808151f101fc7e891f75953f8539255026