staging: rtl8188eu: Remove unused enum

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

@@ -54,13 +54,6 @@
 #include <rtw_mp.h>
 #include <rtw_br_ext.h>
 
-enum _NIC_VERSION {
-	RTL8711_NIC,
-	RTL8712_NIC,
-	RTL8713_NIC,
-	RTL8716_NIC
-};
-
 #define SPEC_DEV_ID_NONE		BIT(0)
 #define SPEC_DEV_ID_DISABLE_HT		BIT(1)
 #define SPEC_DEV_ID_ENABLE_PS		BIT(2)