qcacld-3.0: Remove rem_on_chan_ready_event from hdd_adapter

Change Idaaacac4fdaf1b964432c33c10b1c86f8a591c2d ("qcacld-3.0: Remove
legacy P2P codes in HDD") removed the logic which utilized the
rem_on_chan_ready_event field in struct hdd_adapter. Since this field
is no longer used, remove it.

Change-Id: Ic8947dc70d510bd123759e53e58e33c5b64ec130
CRs-Fixed: 2370881

core/hdd/inc/wlan_hdd_main.h

@@ -1249,8 +1249,6 @@ struct hdd_adapter {
 	struct completion offchannel_tx_event;
 	/* Completion variable for action frame */
 	struct completion tx_action_cnf_event;
-	/* Completion variable for remain on channel ready */
-	struct completion rem_on_chan_ready_event;
 
 	struct completion sta_authorized_event;
 

core/hdd/src/wlan_hdd_main.c

@@ -5026,7 +5026,6 @@ static void hdd_init_completion(struct hdd_adapter *adapter)
 	init_completion(&adapter->disconnect_comp_var);
 	init_completion(&adapter->roaming_comp_var);
 	init_completion(&adapter->linkup_event_var);
-	init_completion(&adapter->rem_on_chan_ready_event);
 	init_completion(&adapter->sta_authorized_event);
 	init_completion(&adapter->offchannel_tx_event);
 	init_completion(&adapter->tx_action_cnf_event);