Disable build of simarm from the -arch=all configuration.

tools/testing/dart/test_options.dart

 // Copyright (c) 2011, 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.
 
 #library("test_options_parser");
 
 #import("dart:io");
 
 List<String> defaultTestSelectors =
     const ['dartc', 'samples', 'standalone', 'corelib', 'co19', 'language',
@@ skipping 310 matching lines @@
 
     // TODO(ager): Get rid of this. This is for backwards
     // compatibility with the python test scripts. They use system
     // 'win32' for Windows.
     if (configuration['system'] == 'windows') {
       configuration['system'] = 'win32';
     }
 
     // Expand the pseudo-values such as 'all'.
     if (configuration['arch'] == 'all') {
-      configuration['arch'] = 'ia32,x64,simarm';
+      configuration['arch'] = 'ia32,x64';
     }
     if (configuration['mode'] == 'all') {
       configuration['mode'] = 'debug,release';
     }
     if (configuration['component'] == 'most') {
       configuration['component'] = 'vm,dartc';
     }
     if (configuration['valgrind']) {
       // TODO(ager): Get rid of this when there is only one checkout and
       // we don't have to special case for the runtime checkout.
@@ skipping 161 matching lines @@
         return option;
       }
     }
     print('Unknown test option $name');
     exit(1);
   }
 
 
   List<_TestOptionSpecification> _options;
 }