Staging: rtl8723au: Remove unused function rtw_atimdone_event_callback23a

This patch fixes the following sparse warning:

warning: symbol 'rtw_atimdone_event_callback23a' was not declared.
Should it be static?
rtw_atimdone_event_callback23a is local to the file rtw_mlme.c but
it isn't exposed in a header file anywhere. Moreover it is never called
from anywhere as well.

So, this patch removes this function completely.
Signed-off-by: Somya Anand <somyaanand214@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/core/rtw_mlme.c

@@ -568,13 +568,6 @@ static int rtw_is_desired_network(struct rtw_adapter *adapter,
 	return bselected;
 }
 
-/* TODO: Perry : For Power Management */
-void rtw_atimdone_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf)
-{
-	RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
-		 ("receive atimdone_evet\n"));
-}
-
 void rtw_survey_event_cb23a(struct rtw_adapter *adapter, const u8 *pbuf)
 {
 	u32 len;