qcacld-3.0: Remove wma_wni_cfg_dnld() prototype

Function wma_wni_cfg_dnld() was removed by:
  qcacld-3.0: Cleanup legacy cfg related files
  Change-Id If46ae4c59f1010a655aa65e3502fc0c660e33cdc

However the prototype was left, so remove it now.

Change-Id: I35d5c578407492e213d9183275c68c8e011f5abe
CRs-Fixed: 3434496

core/wma/inc/wma_internal.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -1112,8 +1112,6 @@ QDF_STATUS wma_send_link_speed(uint32_t link_speed);
 int wma_link_speed_event_handler(void *handle, uint8_t *cmd_param_info,
 				 uint32_t len);
 
-QDF_STATUS wma_wni_cfg_dnld(tp_wma_handle wma_handle);
-
 int wma_unified_debug_print_event_handler(void *handle, uint8_t *datap,
 					  uint32_t len);