message: Remove outdated TODO
  We already set the correct store action for attachments.
diff: @@ -799,7 +799,6 @@ MetalRenderTarget::MetalRenderTarget(MetalContext* context, uint32_t width, uint
  // If we were given a single-sampled texture but the samples parameter is > 1, we create
  // a multisampled sidecar texture and do a resolve automatically.
  if (samples > 1 && depth.getSampleCount() == 1) {
  - // TODO: we only need to resolve depth if the depth texture is not SAMPLEABLE.
  auto& sidecar = depth.metalTexture->msaaSidecar;
  if (!sidecar) {
  sidecar = createMultisampledTexture(context->device, depth.getPixelFormat(),
  