staging: r8188eu: remove an obsolete comment

Remove an obsolete comment in rtw_dequeue_xframe. There is no break
statement any more.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230123205342.229589-8-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_xmit.c

@@ -1408,7 +1408,7 @@ struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmi
 				phwxmit->accnt--;
 
 				/* Remove sta node when there are no pending packets. */
-				if (list_empty(&pframe_queue->queue)) /* must be done after get_next and before break */
+				if (list_empty(&pframe_queue->queue))
 					list_del_init(&ptxservq->tx_pending);
 				goto exit;
 			}