Those are no longer in use since commit 242f9dcb
("block: unify request timeout handling").
Signed-off-by: NAvri Altman <avri.altman@wdc.com>
Reviewed-by: NBart Van Assche <bvanassche@acm.org>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>