Remove service-compiler related code.

tools/immic/bin/immic.dart

-// Copyright (c) 2015, the Dartino 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.
-
-import 'dart:io';
-import 'dart:async';
-
-import 'package:immic/compiler.dart' as immic;
-import 'package:args/args.dart';
-
-main(List<String> arguments) async {
-  ArgParser parser = new ArgParser();
-  parser.addOption('packages');
-  parser.addOption('out', defaultsTo: ".");
-  ArgResults results = parser.parse(arguments);
-  String packagesFile = results['packages'];
-  String outputDirectory = results['out'];
-  if (!(new Directory(outputDirectory)).existsSync()) {
-    print("Output directory '$outputDirectory' does not exist.");
-    exit(1);
-  }
-  if (packagesFile == null && (new File('.packages')).existsSync()) {
-    packagesFile = '.packages';
-  }
-  if (packagesFile != null && !(new File(packagesFile)).existsSync()) {
-    print("Packages file '$packagesFile' does not exist.");
-    exit(1);
-  }
-  if (results.rest.isEmpty) {
-    print("No input files.");
-    exit(1);
-  }
-  for (String path in results.rest) {
-    await immic.compile(path, outputDirectory, packagesFile);
-  }
-}