qcacld-3.0: Remove old rso path code [PART 1]

Since new rso ROAM_OFFLOAD_V1 path is enabled, remove
the old rso path code for file wma_scan_roam.c.

Change-Id: Ib50d49c566d9aaf124f2eecebe4b652dcbb3b5df
CRs-Fixed: 2807015

core/wma/inc/wma_internal.h

@@ -1723,16 +1723,6 @@ int wma_cold_boot_cal_event_handler(void *wma_ctx, uint8_t *event_buff,
 int wma_oem_event_handler(void *wma_ctx, uint8_t *event_buff, uint32_t len);
 #endif
 
-/**
- * wma_set_roam_triggers() - Send roam trigger bitmap to WMI
- * @wma_handle: wma handle
- * @triggers: Carries vdev id and roam trigger bitmap.
- *
- * Return: Success or Failure status
- */
-QDF_STATUS wma_set_roam_triggers(tp_wma_handle wma_handle,
-				 struct wlan_roam_triggers *triggers);
-
 /**
  * wma_get_ani_level_evt_handler - event handler to fetch ani level
  * @handle: the wma handle