ext4: no need to test for block bitmap bits in ext4_mb_mark_bb()

We don't need the return value of mb_test_and_clear_bits() in ext4_mb_mark_bb()
So simply use mb_clear_bits() instead.

Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/a971935306dafb124da0193c7dad1aa485210b62.1644992610.git.riteshh@linux.ibm.com


Signed-off-by: Theodore Ts'o <tytso@mit.edu>