chore: remove obsolete files (#10240)

modules/@angular/core/test/di/binding_spec.dart

@@ -1,60 +0,0 @@
-/// This file contains tests that make sense only in Dart world, such as
-/// verifying that things are valid constants.
-library angular2.test.di.binding_dart_spec;
-
-import 'dart:mirrors';
-import 'package:@angular/core/testing/testing_internal.dart';
-import 'package:angular2/core.dart';
-
-main() {
-  describe('Binding', () {
-    it('can create constant from token', () {
-      expect(const Binding(Foo).token).toBe(Foo);
-    });
-
-    it('can create constant from class', () {
-      expect(const Binding(Foo, toClass: Bar).toClass).toBe(Bar);
-    });
-
-    it('can create constant from value', () {
-      expect(const Binding(Foo, toValue: 5).toValue).toBe(5);
-    });
-
-    it('can create constant from alias', () {
-      expect(const Binding(Foo, toAlias: Bar).toAlias).toBe(Bar);
-    });
-
-    it('can create constant from factory', () {
-      expect(const Binding(Foo, toFactory: fn).toFactory).toBe(fn);
-    });
-
-    it('can be used in annotation', () {
-      ClassMirror mirror = reflectType(Annotated);
-      var bindings = mirror.metadata[0].reflectee.bindings;
-      expect(bindings.length).toBe(5);
-      bindings.forEach((b) {
-        expect(b).toBeA(Binding);
-      });
-    });
-  });
-}
-
-class Foo {}
-
-class Bar extends Foo {}
-
-fn() => null;
-
-class Annotation {
-  final List bindings;
-  const Annotation(this.bindings);
-}
-
-@Annotation(const [
-  const Binding(Foo),
-  const Binding(Foo, toClass: Bar),
-  const Binding(Foo, toValue: 5),
-  const Binding(Foo, toAlias: Bar),
-  const Binding(Foo, toFactory: fn)
-])
-class Annotated {}