message: Remove incorrect TODO in readSelection
diff: @@ -109,7 +109,8 @@ const readSelection = (
  if (node.selectionSet === undefined) {
  // If it doesn't have a selection set we have resolved a property.
  - // TODO: Completeness for scalar fields
  + // We assume that a resolver for scalar values implies that this
  + // field is always present, so completeness won't be set to EMPTY here
  data[fieldAlias] = resolverValue !== undefined ? resolverValue : null;
  } else {
  // When it has a selection set we are resolving an entity with a
  