They were unused, as Dave Emett noticed in TFU review.
Signed-off-by: Eric Anholt <eric@anholt.net>
Cc: Dave Emett <david.emett@broadcom.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181128230927.10951-2-eric@anholt.netReviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>