Fix type mistakes

Author: hsubox76

packages/storage/src/reference.ts

@@ -28,7 +28,6 @@ import {
   formatValidator,
   dataFromString
 } from './implementation/string';
-import * as type from './implementation/type';
 import { Metadata } from './metadata';
 import { StorageService } from './service';
 import { ListOptions, ListResult } from './list';

packages/storage/test/unit/testshared.ts

@@ -18,7 +18,6 @@ import { expect } from 'chai';
 import { FirebaseApp } from '@firebase/app-types';
 import * as constants from '../../src/implementation/constants';
 import { Code, FirebaseStorageError } from '../../src/implementation/error';
-import * as type from '../../src/implementation/type';
 import { Headers, XhrIo } from '../../src/implementation/xhrio';
 import { XhrIoPool } from '../../src/implementation/xhriopool';
 import { SendHook, StringHeaders, TestingXhrIo } from './xhrio';

packages/storage/test/unit/xhrio.ts

@@ -14,7 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import * as type from '../../src/implementation/type';
 import { ErrorCode, Headers, XhrIo } from '../../src/implementation/xhrio';
 import { FirebaseStorageError, Code } from '../../src/implementation/error';