Revert "wakelock: fix wakelock blacklist"

This reverts commit ae37b6f36215aaf563c68510c5eed6f9d451c894.
Revert "wakelock: lock blacklist rb_tree when matching."

This reverts commit b666f4dc2caf699d2e0fbdcafc7603b60175aa2e.
Revert "wakelock: add wakelock blacklist"

This reverts commit c1c4e25cd6384d483098fdd5abe632d802f4e8ca.