Revert "qcacmn: Drop ch avoid event if list is empty"

This reverts change-id I176b9c09106cc0d7f5cfbc474912e4a48d633ff2.
The 0 count chan avoid event is used to clear all previous reported
chan avoid freq range, so it can't be skipped.

Change-Id: Ie01d88c353a7f71bbee70ae67f54147ea147f6d4
CRs-Fixed: 2970061

target_if/regulatory/src/target_if_reg_lte.c

@@ -75,11 +75,6 @@ static int tgt_reg_ch_avoid_event_handler(ol_scn_t handle, uint8_t *event_buf,
 		return -EFAULT;
 	}
 
-	if (!ch_avoid_event.ch_avoid_range_cnt) {
-		target_if_debug_rl("ch avoid range count is 0, dropping the event");
-		return 0;
-	}
-
 	status = reg_rx_ops->reg_ch_avoid_event_handler(psoc, &ch_avoid_event);
 	if (status != QDF_STATUS_SUCCESS) {
 		target_if_err("Failed to process CH avoid event");