staging: r8188eu: remove unused macros

Remove some unused macros from osdep_service.h.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220115165536.231210-3-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/include/osdep_service.h

@@ -70,10 +70,6 @@ static inline void _cancel_timer(struct timer_list *ptimer,u8 *bcancelled)
 	*bcancelled=  true;/* true ==1; false==0 */
 }
 
-#define RTW_TIMER_HDL_ARGS void *FunctionContext
-#define RTW_TIMER_HDL_NAME(name) rtw_##name##_timer_hdl
-#define RTW_DECLARE_TIMER_HDL(name) void RTW_TIMER_HDL_NAME(name)(RTW_TIMER_HDL_ARGS)
-
 static inline int rtw_netif_queue_stopped(struct net_device *pnetdev)
 {
 	return  netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 0)) &&