Remove AST dumps, useless for Editor

compiler/java/com/google/dart/compiler/ast/viz/ASTWriterFactory.java

Index: compiler/java/com/google/dart/compiler/ast/viz/ASTWriterFactory.java
diff --git a/compiler/java/com/google/dart/compiler/ast/viz/ASTWriterFactory.java b/compiler/java/com/google/dart/compiler/ast/viz/ASTWriterFactory.java
deleted file mode 100644
index 7917f89f25bc5913ac70e0c3d013ece674d91309..0000000000000000000000000000000000000000
--- a/compiler/java/com/google/dart/compiler/ast/viz/ASTWriterFactory.java
+++ /dev/null
@@ -1,24 +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.ast.viz;
-
-import com.google.dart.compiler.CompilerConfiguration;
-import com.google.dart.compiler.CommandLineOptions.CompilerOptions;
-
-public class ASTWriterFactory {
-  public static BaseASTWriter create(CompilerConfiguration config) {
-    String astFormat = config.getCompilerOptions().dumpAST();
-    CompilerOptions compilerOptions = config.getCompilerOptions();
-    String outDir = compilerOptions.getWorkDirectory().getAbsolutePath();
-    if ("console".equals(astFormat)) {
-      return new ConsoleWriter(outDir);
-    } else if ("text".equals(astFormat)) {
-      return new TextWriter(outDir);
-    } else if ("dot".equals(astFormat)) {
-      return new DotWriter(outDir);
-    }
-    return new NullWriter(outDir);
-  }
-}