serial: kill off uif_t

This typedef is now extinct
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

include/linux/serial_core.h

@@ -336,19 +336,8 @@ struct uart_port {
 	void			*private_data;		/* generic platform data pointer */
 };
 
-/*
- * This is the state information which is only valid when the port
- * is open; it may be cleared the core driver once the device has
- * been closed.  Either the low level driver or the core can modify
- * stuff here.
- */
-typedef unsigned int __bitwise__ uif_t;
-
-
 /*
  * This is the state information which is persistent across opens.
- * The low level driver must not to touch any elements contained
- * within.
  */
 struct uart_state {
 	struct tty_port		port;