Remove dart_noopt and related parts from the VM.

tools/testing/dart/test_suite.dart

 // Copyright (c) 2012, 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.
 
 /**
  * Classes and methods for enumerating and preparing tests.
  *
  * This library includes:
  *
  * - Creating tests by listing all the Dart files in certain directories,
@@ skipping 198 matching lines @@
   }
 
   /// Returns the name of the flutter engine executable.
   String get flutterEngineBinaryFileName {
     // Controlled by user with the option "--flutter".
     String flutterExecutable = configuration['flutter'];
     TestUtils.ensureExists(flutterExecutable, configuration);
     return flutterExecutable;
   }
 
-  String get dartVmNooptBinaryFileName {
-    // Controlled by user with the option "--dart".
-    String dartExecutable = configuration['dart'];
-
-    if (dartExecutable == '') {
-      String suffix = executableBinarySuffix;
-      dartExecutable = useSdk
-          ? '$buildDir/dart-sdk/bin/dart_noopt$suffix'
-          : '$buildDir/dart_noopt$suffix';
-    }
-
-    TestUtils.ensureExists(dartExecutable, configuration);
-    return dartExecutable;
-  }
-
   String get dartPrecompiledBinaryFileName {
     // Controlled by user with the option "--dart_precompiled".
     String dartExecutable = configuration['dart_precompiled'];
 
     if (dartExecutable == null || dartExecutable == '') {
       String suffix = executableBinarySuffix;
       dartExecutable = '$buildDir/dart_precompiled_runtime$suffix';
     }
 
     TestUtils.ensureExists(dartExecutable, configuration);
@@ skipping 2301 matching lines @@
       }
       if (path.length > WINDOWS_SHORTEN_PATH_LIMIT) {
         ++shortNameCounter;
         var pathEnd = path.substring(path.length - WINDOWS_PATH_END_LENGTH);
         path = "short${shortNameCounter}_$pathEnd";
       }
     }
     return path;
   }
 }