[media] dvb_usb_v2: remove rc-core stub implementations

Those are not needed anymore as all dvb-usb-v2 drivers has proper
dependency checks for RC-core.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/usb/dvb-usb-v2/dvb_usb.h

@@ -400,13 +400,4 @@ extern int dvb_usbv2_reset_resume(struct usb_interface *);
 extern int dvb_usbv2_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16);
 extern int dvb_usbv2_generic_write(struct dvb_usb_device *, u8 *, u16);
 
-/* stub implementations that will be never called when RC-core is disabled */
-#if !defined(CONFIG_RC_CORE) && !defined(CONFIG_RC_CORE_MODULE)
-#define rc_repeat(args...)
-#define rc_keydown(args...)
-#define rc_keydown_notimeout(args...)
-#define rc_keyup(args...)
-#define rc_g_keycode_from_table(args...) 0
-#endif
-
 #endif