Remove the http package from the repo.

pkg/http/test/html/streamed_request_test.dart

-// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-library http.test.html.streamed_request_test;
-
-import 'package:http/http.dart' as http;
-import 'package:http/browser_client.dart';
-import 'package:unittest/unittest.dart';
-
-import 'utils.dart';
-
-void main() {
-  group('contentLength', () {
-    test("works when it's set", () {
-      var request = new http.StreamedRequest('POST', echoUrl);
-      request.contentLength = 10;
-      request.sink.add([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
-      request.sink.close();
-
-      return new BrowserClient().send(request).then((response) {
-        expect(response.stream.toBytes(),
-            completion(equals([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])));
-      });
-    });
-
-    test("works when it's not set", () {
-      var request = new http.StreamedRequest('POST', echoUrl);
-      request.sink.add([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
-      request.sink.close();
-
-      return new BrowserClient().send(request).then((response) {
-        expect(response.stream.toBytes(),
-            completion(equals([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])));
-      });
-    });
-  });
-}