nouveau/gsp: don't check devinit disable on GSP.

GSP should be handling this and I can see no evidence in opengpu
driver that this register should be touched.

Fixed acceleration on 2080 Ti GPUs.

Fixes: 15740541 ("drm/nouveau/devinit/tu102-: prepare for GSP-RM")
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240314014521.2695233-1-airlied@gmail.com

drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c

@@ -41,7 +41,6 @@ r535_devinit_new(const struct nvkm_devinit_func *hw,
 
 	rm->dtor = r535_devinit_dtor;
 	rm->post = hw->post;
-	rm->disable = hw->disable;
 
 	ret = nv50_devinit_new_(rm, device, type, inst, pdevinit);
 	if (ret)