[media] gspca: remove obsolete Kconfig macros

The et61x251 driver was removed in v3.5. Remove the last references to
its Kconfig macro now.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/usb/gspca/etoms.c

@@ -766,9 +766,7 @@ static const struct sd_desc sd_desc = {
 /* -- module initialisation -- */
 static const struct usb_device_id device_table[] = {
 	{USB_DEVICE(0x102c, 0x6151), .driver_info = SENSOR_PAS106},
-#if !defined CONFIG_USB_ET61X251 && !defined CONFIG_USB_ET61X251_MODULE
 	{USB_DEVICE(0x102c, 0x6251), .driver_info = SENSOR_TAS5130CXX},
-#endif
 	{}
 };