staging: r8188eu: remove unused variable from rtw_init_recv_timer

Remove unused variable from rtw_init_recv_timer function in
os_dep/recv_linux.c
Acked-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210810235047.177883-8-phil@philpotter.co.ukSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/os_dep/recv_linux.c

@@ -211,7 +211,5 @@ static void _rtw_reordering_ctrl_timeout_handler(struct timer_list *t)
 
 void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl)
 {
-	struct adapter *padapter = preorder_ctrl->padapter;
-
 	timer_setup(&preorder_ctrl->reordering_ctrl_timer, _rtw_reordering_ctrl_timeout_handler, 0);
 }