staging: r8188eu: Remove pkt_to_recv{frame, data, mem} routines

These functions are not called from the outside source.
Suggested-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/include/rtw_recv.h

@@ -415,44 +415,6 @@ static inline unsigned char *get_rxbuf_desc(struct recv_frame *precvframe)
 	return buf_desc;
 }
 
-static inline struct recv_frame *rxmem_to_recvframe(u8 *rxmem)
-{
-	/* due to the design of 2048 bytes alignment of recv_frame,
-	 * we can reference the struct recv_frame */
-	/* from any given member of recv_frame. */
-	/*  rxmem indicates the any member/address in recv_frame */
-
-	return (struct recv_frame *)(((size_t)rxmem >> RXFRAME_ALIGN) <<
-				     RXFRAME_ALIGN);
-}
-
-static inline struct recv_frame *pkt_to_recvframe(struct sk_buff *pkt)
-{
-	u8 *buf_star;
-	struct recv_frame *precv_frame;
-	precv_frame = rxmem_to_recvframe((unsigned char *)buf_star);
-
-	return precv_frame;
-}
-
-static inline u8 *pkt_to_recvmem(struct sk_buff *pkt)
-{
-	/*  return the rx_head */
-
-	struct recv_frame *precv_frame = pkt_to_recvframe(pkt);
-
-	return	precv_frame->rx_head;
-}
-
-static inline u8 *pkt_to_recvdata(struct sk_buff *pkt)
-{
-	/*  return the rx_data */
-
-	struct recv_frame *precv_frame = pkt_to_recvframe(pkt);
-
-	return	precv_frame->rx_data;
-}
-
 static inline int get_recvframe_len(struct recv_frame *precvframe)
 {
 	return precvframe->len;