Revert "Bluetooth: Don't disable LPM at power off"

Causes power regression on Angler.

This reverts commit 3b2a29676b2efbc828ae3db272b347f553909d94.

Bug: 36358814
Bug: 36026072
Change-Id: I9bbe218a87c7d092851c400739bc5740bcf13336
1 file changed