drm/nouveau: remove dev_priv->init_state and friends

Nouveau will no longer load at all if card initialisation fails, so all
these checks are unnecessary.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 1371c77..3ca8343 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -711,8 +711,7 @@
 		return ret;
 
 	/* Software copy if the card isn't up and running yet. */
-	if (dev_priv->init_state != NOUVEAU_CARD_INIT_DONE ||
-	    !dev_priv->channel) {
+	if (!dev_priv->channel) {
 		ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
 		goto out;
 	}