ionic: remove missed doorbell per-queue timer

Remove the timer-per-queue mechanics from the missed doorbell
check in preparation for the new missed doorbell fix.

Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://lore.kernel.org/r/20240619003257.6138-2-shannon.nelson@amd.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>