Revert "BT: Multi HF support in Settings App."

CM did this, testing both ways

This reverts commit 7bbd90528064516a4aae200731a7fd60acd09192.

Change-Id: I8eb21149d7e8aeb494e67ed057c9834a4875bf1b
Signed-off-by: DHOMD <DHO@dho.im>