qcacld-3.0: Remove duplicate bss_idx from struct pe_session

The bss_idx represent vdev id in pe session. pe session already
have smeSessionId/vdev_id to represent this.

Thus remove duplicate bss_idx from struct pe_session.

Change-Id: I18c59d49233dd547f38d7f8a23be5ebbe7d72c30
CRs-Fixed: 2531014
diff --git a/core/mac/src/pe/lim/lim_send_sme_rsp_messages.c b/core/mac/src/pe/lim/lim_send_sme_rsp_messages.c
index 7d6be05..740992e 100644
--- a/core/mac/src/pe/lim/lim_send_sme_rsp_messages.c
+++ b/core/mac/src/pe/lim/lim_send_sme_rsp_messages.c
@@ -2078,7 +2078,7 @@
 	tpSirFirstBeaconTxCompleteInd bcn_ind =
 		(tSirFirstBeaconTxCompleteInd *) event;
 
-	session = pe_find_session_by_bss_idx(mac_ctx, bcn_ind->bss_idx);
+	session = pe_find_session_by_vdev_id(mac_ctx, bcn_ind->bss_idx);
 	if (!session) {
 		pe_err("Session Does not exist for given session id");
 		return;