staging: r8188eu: phwxmit parameter is unused

Remove the unused function parameter phwxmit from function
dequeue_one_xmitframe.
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/20221230180646.91008-19-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_xmit.c

@@ -1399,7 +1399,7 @@ s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitfram
 	return _SUCCESS;
 }
 
-static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, struct __queue *pframe_queue)
+static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct tx_servq *ptxservq, struct __queue *pframe_queue)
 {
 	struct list_head *xmitframe_plist, *xmitframe_phead;
 	struct	xmit_frame	*pxmitframe = NULL;
@@ -1452,7 +1452,7 @@ struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmi
 
 			pframe_queue = &ptxservq->sta_pending;
 
-			pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue);
+			pxmitframe = dequeue_one_xmitframe(pxmitpriv, ptxservq, pframe_queue);
 
 			if (pxmitframe) {
 				phwxmit->accnt--;