iwlwifi: mvm: remove redundant log in iwl_mvm_tvqm_enable_txq()

We are printing the same thing twice, "Enabling TXQ #%d".  Previously
the second print was including more information, but now it only
prints the queue number, which is already in the first print.  Remove
the redundant one.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200930191738.1c22d1bc0a88.I24e57317bdddc6c72f69725e1d95683a935e893d@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>

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

@@ -770,8 +770,6 @@ static int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm,
 	IWL_DEBUG_TX_QUEUES(mvm, "Enabling TXQ #%d for sta %d tid %d\n",
 			    queue, sta_id, tid);
 
-	IWL_DEBUG_TX_QUEUES(mvm, "Enabling TXQ #%d\n", queue);
-
 	return queue;
 }