iwlwifi: Revert "iwlwifi: pcie: dynamic Tx command queue size"

This reverts commit dd05f9aab4.

Shorter TX queues support was added eventually without the
need for the parameters this patch added.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/iwl-config.h

@@ -333,8 +333,6 @@ struct iwl_pwr_tx_backoff {
  * @gen2: 22000 and on transport operation
  * @cdb: CDB support
  * @nvm_type: see &enum iwl_nvm_type
- * @tx_cmd_queue_size: size of the cmd queue. If zero, use the same value as
- *	the regular queues
  *
  * We enable the driver to be backward compatible wrt. hardware features.
  * API differences in uCode shouldn't be handled here but through TLVs
@@ -386,7 +384,6 @@ struct iwl_cfg {
 	    gen2:1,
 	    cdb:1,
 	    dbgc_supported:1;
-	u16 tx_cmd_queue_size;
 	u8 valid_tx_ant;
 	u8 valid_rx_ant;
 	u8 non_shared_ant;