CHROMIUM: Revert "Bluetooth: defer cleanup of resources in hci_unregister_dev()"

This reverts commit 3719acc161d5c1ce09912cc1c9eddc2c5faa3c66.

This patch was recently cherry-picked from upstream into chromeOS and differs
substantially. Reverting this incoming patch from incoming patch update, and
filing a bug for the bluetooth team to examine if any changes need to be made.

The cherry-pick which remains for now is:

commit 284f4b49c088770e668baf34f479d47fce8d31de
Author: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date:   Tue Jul 27 06:12:04 2021 +0900

                                                                                                                                            FROMGIT: Bluetooth: defer cleanup of resources in hci_unregister_dev()

Change-Id: Id4d0cdae8de7de68fb245648d280c41e2d0db30a
4 files changed