iwlwifi: mvm: remove SCD_QUEUE_CONFIG TLV flag

We don't support firmwares that don't use the new API.
This also allows to use all the SCD queues, so increase
the reported number of queues to 31.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>