Removed compiler/ directory from repository

dart/compiler/java/com/google/dart/compiler/resolver/TypeVariableNodeElement.java

-// 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.
-
-package com.google.dart.compiler.resolver;
-
-import com.google.dart.compiler.ast.DartNode;
-
-/**
- * Extension of {@link TypeVariableElement} which is based on {@link DartNode}.
- */
-public interface TypeVariableNodeElement extends NodeElement, TypeVariableElement {
-}