ALSA: hda/hdmi - Remove duplicated define

INTEL_GET_VENDOR_VERB is defined twice identically.
Let's remove a superfluous line.

Fixes: b0d8bc50 ("ALSA: hda: hdmi - add Icelake support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>