message: Remove unnecessary ambient module declaration
diff: -declare module '@ember-decorators/data' {
  import { ModelRegistry, TransformRegistry } from 'ember-data';
  interface AttrOptions<T> {
  - defaultValue?: T;
  allowNull?: boolean;
  + defaultValue?: T;
  }
  export function attr<K extends keyof TransformRegistry>(
  @@ -26,4 +25,3 @@ declare module '@ember-decorators/data' {
  type: K,
  options?: RelationshipOptions<ModelRegistry[K]>,
  ): PropertyDecorator;
  -}
  