Revert "Shows a consent dialog on the local device when pairing a bluetooth low"

This reverts commit 03580fc44067b4289d1d77bd2f3ddf1e5974cf30.

Reason for revert: Regression in pairing some BLE devices (b/162903202)

Bug: 157038281
Test: Manual
Change-Id: I01c0a363ce9d99a52f00b4ac8b9cfa60cbb736c2
(cherry picked from commit d709003c6fec86b2995675db0c82c0eb1e91d56c)