iwlwifi: mvm: remove redundant condition

In iwl_mvm_sta_alloc_queue_tvqm(), we know that we have a
station, so no need to check it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/mvm/sta.c

@@ -791,11 +791,9 @@ static int iwl_mvm_sta_alloc_queue_tvqm(struct iwl_mvm *mvm,
 	if (queue < 0)
 		return queue;
 
-	if (sta) {
-		mvmtxq->txq_id = queue;
-		mvm->tvqm_info[queue].txq_tid = tid;
-		mvm->tvqm_info[queue].sta_id = mvmsta->sta_id;
-	}
+	mvmtxq->txq_id = queue;
+	mvm->tvqm_info[queue].txq_tid = tid;
+	mvm->tvqm_info[queue].sta_id = mvmsta->sta_id;
 
 	IWL_DEBUG_TX_QUEUES(mvm, "Allocated queue is %d\n", queue);