Revert "Add logging system to pub and sprinkle some logging in."

pkg/http/test/request_test.dart

Index: pkg/http/test/request_test.dart
diff --git a/pkg/http/test/request_test.dart b/pkg/http/test/request_test.dart
index 1b3d4cace964a16021ffb2e5a895c0ab1d3f8e25..e26ee75e40ba4e44609eb6dcc500032fc9bca8dd 100644
--- a/pkg/http/test/request_test.dart
+++ b/pkg/http/test/request_test.dart
@@ -387,12 +387,5 @@ void main() {
       expect(request.finalize, throwsStateError);
     });
   });
-
-  group('#toString()', () {
-    test('includes the method and URL', () {
-      var request = new http.Request('POST', dummyUrl);
-      expect(request.toString(), 'POST $dummyUrl');
-    });
-  });
 }