Revert "Bluetooth: Handle invalid BT service while getting the BT state"

This reverts commit cf2ff5b82fad61d8fc1e77dd8d5fd486d1b86d07.

This is not required as it's causing the delay in many threads
leads to ANR in settings APP.

CRs-Fixed: 594039
Change-Id: Ice909cf4629ddfb0d427eb9c318d20e641de8b30