drm/nouveau: remove trace_dma_fence_emit

Hardware drivers which don't have much difference between emit and init
shouldn't use this trace point.

Signed-off-by: Christian König <[e-mail]>
Cc: Ben Skeggs <[e-mail]>
Cc: Karol Herbst <[e-mail]>
Cc: Lyude Paul <[e-mail]>
Cc: [e-mail]
Reviewed-by: Lyude Paul <[e-mail]>
Signed-off-by: Lyude Paul <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/nouveau/nouveau_fence.c

···
 			       &fctx->lock, fctx->context, ++fctx->sequence);
 	kref_get(&fctx->fence_ref);
 
-	trace_dma_fence_emit(&fence->base);
 	ret = fctx->emit(fence);
 	if (!ret) {
 		dma_fence_get(&fence->base);