qcacmn: Remove unused peer mgmt stats

Peer delete request and response stats has been moved to per vap
stats. The time info on assoc, disassoc and deauth was already
cleaned up, but members in the dp_peer struct weren't removed.

Change-Id: Ie4a1b171178d8ad03abd76069cc0777802814993
CRs-Fixed: 2451766

dp/wifi3.0/dp_main.c

@@ -5209,10 +5209,6 @@ static void dp_peer_setup_wifi3(struct cdp_vdev *vdev_hdl, void *peer_hdl)
 	pdev = vdev->pdev;
 	soc = pdev->soc;
 
-	peer->last_assoc_rcvd = 0;
-	peer->last_disassoc_rcvd = 0;
-	peer->last_deauth_rcvd = 0;
-
 	dp_peer_setup_get_reo_hash(vdev, &reo_dest, &hash_based);
 
 	dp_info("pdev: %d vdev :%d opmode:%u hash-based-steering:%d default-reo_dest:%u",

dp/wifi3.0/dp_peer.c

@@ -2228,10 +2228,6 @@ void dp_peer_rx_cleanup(struct dp_vdev *vdev, struct dp_peer *peer)
  */
 void dp_peer_cleanup(struct dp_vdev *vdev, struct dp_peer *peer)
 {
-	peer->last_assoc_rcvd = 0;
-	peer->last_disassoc_rcvd = 0;
-	peer->last_deauth_rcvd = 0;
-
 	dp_peer_tx_cleanup(vdev, peer);
 
 	/* cleanup the Rx reorder queues for this peer */

dp/wifi3.0/dp_types.h

@@ -1871,9 +1871,6 @@ struct dp_peer {
 	enum ol_txrx_peer_state state;
 	qdf_spinlock_t peer_info_lock;
 
-	qdf_time_t last_assoc_rcvd;
-	qdf_time_t last_disassoc_rcvd;
-	qdf_time_t last_deauth_rcvd;
 	/* Peer Stats */
 	struct cdp_peer_stats stats;