staging: rtl8188eu: Remove unused enum _IFACE_TYPE

Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/include/drv_types.h

@@ -187,12 +187,6 @@ static inline struct device *dvobj_to_dev(struct dvobj_priv *dvobj)
 	return &dvobj->pusbintf->dev;
 };
 
-enum _IFACE_TYPE {
-	IFACE_PORT0, /* mapping to port0 for C/D series chips */
-	IFACE_PORT1, /* mapping to port1 for C/D series chip */
-	MAX_IFACE_PORT,
-};
-
 enum driver_state {
 	DRIVER_NORMAL = 0,
 	DRIVER_DISAPPEAR = 1,