Remove dart generator code from json schema compiler.

tools/json_schema_compiler/dart_test/tags.idl

Index: tools/json_schema_compiler/dart_test/tags.idl
diff --git a/tools/json_schema_compiler/dart_test/tags.idl b/tools/json_schema_compiler/dart_test/tags.idl
deleted file mode 100644
index 7a029cd70e37c902d215f7de815bedfa9ae594e0..0000000000000000000000000000000000000000
--- a/tools/json_schema_compiler/dart_test/tags.idl
+++ /dev/null
@@ -1,33 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// A comment describing tags.
-namespace tags {
-  // This dictionary has the property [inline_doc].
-  [inline_doc] dictionary InlineDoc {
-  };
-
-  // This dictionary has the property [nodoc].
-  [nodoc] dictionary Nodoc {
-  };
-
-  // This dictionary has the property [nocompile].
-  [nocompile] dictionary Nocompile {
-  };
-
-  // This dictionary has no tags on the dictionary itself.
-  dictionary PlainDict {
-    // This int has the property [inline_doc].
-    [inline_doc] int inline_doc;
-
-    // This String has the property [nodoc].
-    [nodoc] String nodoc;
-
-    // This double has the property [nocompile].
-    [nocompile] double nocompile;
-
-    // This object has the property [instanceOf=fileEntry].
-    [instanceOf=fileEntry] object instance_of_tag;
-  };
-};