qcacld-3.0: remove dup invoking sap_init_dfs_channel_nol_list

When enable SAP, it invokes function sap_init_dfs_channel_nol_list
twice.
1\  __wlan_hdd_cfg80211_do_acs
    -> wlan_hdd_cfg80211_start_acs
    -> wlansap_acs_chselect
    -> sap_init_dfs_channel_nol_list
2\  wlansap_start_bss
    -> sap_fsm
    -> sap_fsm_state_init
    -> sap_init_dfs_channel_nol_list

Remove the function in 1\ path.

Change-Id: I8c0bda1fafadc463f6594e0f4c127e9cf98bf4de
CRs-Fixed: 2808989

core/sap/src/sap_module.c

@@ -2478,10 +2478,6 @@ QDF_STATUS wlansap_acs_chselect(struct sap_context *sap_context,
 	 * ACS result after scan in SAP context callback function.
 	 */
 	sap_context->sap_event_cb = acs_event_callback;
-	/*
-	 * init dfs channel nol
-	 */
-	sap_init_dfs_channel_nol_list(sap_context);
 
 	/*
 	 * Issue the scan request. This scan request is