Removed compiler/ directory from repository

dart/compiler/java/com/google/dart/compiler/SubSystem.java

Index: dart/compiler/java/com/google/dart/compiler/SubSystem.java
diff --git a/dart/compiler/java/com/google/dart/compiler/SubSystem.java b/dart/compiler/java/com/google/dart/compiler/SubSystem.java
deleted file mode 100644
index c85755d0c15fbc401e2d3945380f51c77a6731f7..0000000000000000000000000000000000000000
--- a/dart/compiler/java/com/google/dart/compiler/SubSystem.java
+++ /dev/null
@@ -1,12 +0,0 @@
-// 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.
-
-package com.google.dart.compiler;
-
-/**
- * Subsystem of compiler.
- */
-public enum SubSystem {
-  COMPILER, PARSER, STATIC_TYPE, RESOLVER
-}