Removed KeyName test since KeyName has gone away.

tests/html/key_name_location_test.dart

-library KeyNameLocationTest;
-import '../../pkg/unittest/lib/unittest.dart';
-import '../../pkg/unittest/lib/html_config.dart';
-import 'dart:html';
-
-// Test for existence of some KeyName and KeyLocation constants.
-
-main() {
-
-  useHtmlConfiguration();
-
-  test('keyNames', () {
-      expect(KeyName.DOWN_LEFT, "DownLeft");
-      expect(KeyName.FN, "Fn");
-      expect(KeyName.F1, "F1");
-      expect(KeyName.META, "Meta");
-      expect(KeyName.MEDIA_NEXT_TRACK, "MediaNextTrack");
-      expect(KeyName.NUM_LOCK, "NumLock");
-      expect(KeyName.PAGE_DOWN, "PageDown");
-      expect(KeyName.DEAD_IOTA, "DeadIota");
-  });
-
-  test('keyLocations', () {
-      expect(KeyLocation.STANDARD, 0);
-      expect(KeyLocation.LEFT, 1);
-      expect(KeyLocation.RIGHT, 2);
-      expect(KeyLocation.NUMPAD, 3);
-      expect(KeyLocation.MOBILE, 4);
-      expect(KeyLocation.JOYSTICK, 5);
-  });
-}