staging: r8188eu: remove enum hardware_type

From enum hardware_type only HARDWARE_TYPE_RTL8188EU is used in the
driver. Remove the enum and define HARDWARE_TYPE_RTL8188EU.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210903093354.12645-7-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/include/hal_intf.h

@@ -260,28 +260,7 @@ struct hal_ops {
 #define RF_CHANGE_BY_HW		BIT(30)
 #define RF_CHANGE_BY_SW		BIT(31)
 
-enum hardware_type {
-	HARDWARE_TYPE_RTL8180,
-	HARDWARE_TYPE_RTL8185,
-	HARDWARE_TYPE_RTL8187,
-	HARDWARE_TYPE_RTL8188,
-	HARDWARE_TYPE_RTL8190P,
-	HARDWARE_TYPE_RTL8192E,
-	HARDWARE_TYPE_RTL819xU,
-	HARDWARE_TYPE_RTL8192SE,
-	HARDWARE_TYPE_RTL8192SU,
-	HARDWARE_TYPE_RTL8192CE,
-	HARDWARE_TYPE_RTL8192CU,
-	HARDWARE_TYPE_RTL8192DE,
-	HARDWARE_TYPE_RTL8192DU,
-	HARDWARE_TYPE_RTL8723AE,
-	HARDWARE_TYPE_RTL8723AU,
-	HARDWARE_TYPE_RTL8723AS,
-	HARDWARE_TYPE_RTL8188EE,
-	HARDWARE_TYPE_RTL8188EU,
-	HARDWARE_TYPE_RTL8188ES,
-	HARDWARE_TYPE_MAX,
-};
+#define HARDWARE_TYPE_RTL8188EU 17
 
 #define GET_EEPROM_EFUSE_PRIV(adapter) (&adapter->eeprompriv)