staging: r8188eu: remove unused enum

Remove an unused enum from usb_halinit.c.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220216194038.6762-2-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/hal/usb_halinit.c

@@ -484,11 +484,6 @@ static void _BBTurnOnBlock(struct adapter *Adapter)
 	rtl8188e_PHY_SetBBReg(Adapter, rFPGA0_RFMOD, bOFDMEn, 0x1);
 }
 
-enum {
-	Antenna_Lfet = 1,
-	Antenna_Right = 2,
-};
-
 static void _InitAntenna_Selection(struct adapter *Adapter)
 {
 	struct hal_data_8188e *haldata = &Adapter->haldata;