Remove coverage experiment.

pkg/analyzer/lib/src/services/runtime/log.dart

-// Copyright (c) 2013, 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.
-
-/// Simple wrapper for [Logger] library.
-library runtime.log;
-
-import "package:logging/logging.dart";
-
-/** Log message at level [Level.FINEST]. */
-void finest(String message) => _logger.log(Level.FINEST, message);
-
-/** Log message at level [Level.FINER]. */
-void finer(String message) => _logger.log(Level.FINER, message);
-
-/** Log message at level [Level.FINE]. */
-void fine(String message) => _logger.log(Level.FINE, message);
-
-/** Log message at level [Level.CONFIG]. */
-void config(String message) => _logger.log(Level.CONFIG, message);
-
-/** Log message at level [Level.INFO]. */
-void info(String message) => _logger.log(Level.INFO, message);
-
-/** Log message at level [Level.WARNING]. */
-void warning(String message) => _logger.log(Level.WARNING, message);
-
-/** Log message at level [Level.SEVERE]. */
-void severe(String message) => _logger.log(Level.SEVERE, message);
-
-/** Log message at level [Level.SHOUT]. */
-void shout(String message) => _logger.log(Level.SHOUT, message);
-
-/// Specifies that all log records should be logged.
-void everything() {
-  _logger.level = Level.ALL;
-}
-
-/// Sends all log record to the console.
-void toConsole() {
-  _logger.onRecord.listen((LogRecord record) {
-    String levelString = record.level.toString();
-    while (levelString.length < 6) levelString += ' ';
-    print('${record.time}: $levelString ${record.message}');
-  });
-}
-
-/// The root [Logger].
-final Logger _logger = Logger.root;