iwlwifi: rs: remove code duplication when filling lq cmd

Same code appear a few lines later while the position has
no effect on the actual flow.
Signed-off-by: NLiad Kaufman <liad.kaufman@intel.com>
Reviewed-by: NJohannes Berg <johannes.berg@intel.com>
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/mvm/rs.c

@@ -3223,9 +3223,6 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm,
 	if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LQ_SS_PARAMS)
 		rs_set_lq_ss_params(mvm, sta, lq_sta, initial_rate);
 
-	if (num_of_ant(initial_rate->ant) == 1)
-		lq_cmd->single_stream_ant_msk = initial_rate->ant;
-
 	mvmsta = iwl_mvm_sta_from_mac80211(sta);
 	mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);