staging: rtl8188eu: remove all RT_TRACE calls from hal/rtl8188eu_recv.c

Remove all RT_TRACE calls from hal/rtl8188eu_recv.c as this macro is
unnecessary, and these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210625000756.6313-20-phil@philpotter.co.ukSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c

@@ -31,8 +31,6 @@ int rtw_hal_init_recv_priv(struct adapter *padapter)
 		kcalloc(NR_RECVBUFF, sizeof(struct recv_buf), GFP_KERNEL);
 	if (!precvpriv->precv_buf) {
 		res = _FAIL;
-		RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
-			 ("alloc recv_buf fail!\n"));
 		goto exit;
 	}
 	precvbuf = precvpriv->precv_buf;