drm/nouveau/kms/nv50: remove code to support non-atomic modesets

Make completely unreachable (and broken) by atomic commits.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2016-11-04 17:20:36 +10:00
commit f7aa20e833