Delete CPS IR

tests/compiler/dart2js/sourcemaps/source_mapping_tester.dart

 // Copyright (c) 2015, 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.
 
 import 'dart:async';
 import 'package:async_helper/async_helper.dart';
 import 'package:expect/expect.dart';
 import 'package:compiler/src/io/source_information.dart';
 import 'package:compiler/src/js/js_debug.dart';
 import 'package:js_ast/js_ast.dart';
@@ skipping 80 matching lines @@
     print("Unknown configuration or file '$argument'. "
           "Must be one of '${TEST_CONFIGURATIONS.keys.join("', '")}' or "
           "'${TEST_FILES.keys.join("', '")}'.");
     return false;
   }
   return true;
 }
 
 const Map<String, List<String>> TEST_CONFIGURATIONS = const {
   'ssa': const ['--use-new-source-info', ],
-  'cps': const ['--use-new-source-info', '--use-cps-ir'],
   'old': const [],
 };
 
 const Map<String, String> TEST_FILES = const <String, String>{
   'invokes': 'tests/compiler/dart2js/sourcemaps/invokes_test_file.dart',
   'operators': 'tests/compiler/dart2js/sourcemaps/operators_test_file.dart',
 };
 
 Future<TestResult> runTests(
     String config,
@@ skipping 95 matching lines @@
   void printMultipleOffsets() {
     multipleOffsetsMap.forEach((info, multipleMap) {
       multipleMap.forEach((targetOffset, sourceLocations) {
         print(
             'Multiple source locations:\n ${sourceLocations.join('\n ')}\n'
             'for offset $targetOffset in ${info.element} in $file.');
       });
     });
   }
 }