Revert "Settings: Launch music player on headset connect [2/2]"

This reverts commit b3ba1f3ea0c58288cc2e04144e8eae194c420567.

Already implemented by AOSPA-legacy Team!

Conflicts:
	res/values-pt-rBR/n5x_strings.xml
	res/values/n5x_strings.xml

Change-Id: If171220d4cc2e9c76e02deedb9edc8b88bf74eda