Delete regression test that is too heavy on resources.

tests/standalone/io/process_many_script.dart

Index: tests/standalone/io/process_many_script.dart
diff --git a/tests/standalone/io/process_many_script.dart b/tests/standalone/io/process_many_script.dart
deleted file mode 100644
index 7c4064ccb97b9d7183f5114ac944a1f0dba8fc13..0000000000000000000000000000000000000000
--- a/tests/standalone/io/process_many_script.dart
+++ /dev/null
@@ -1,10 +0,0 @@
-// 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.
-
-#import('dart:io');
-
-main() {
-  var stream = new StringInputStream(stdin);
-  stream.onLine = () => exit(0);
-}