Remove generated directories with 100s of files.

client/dom/generated/src/interface/WebGLCompressedTextureS3TC.dart

Index: client/dom/generated/src/interface/WebGLCompressedTextureS3TC.dart
diff --git a/client/dom/generated/src/interface/WebGLCompressedTextureS3TC.dart b/client/dom/generated/src/interface/WebGLCompressedTextureS3TC.dart
deleted file mode 100644
index 3243661b89caf80763db770a59d815c264c52ba9..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/interface/WebGLCompressedTextureS3TC.dart
+++ /dev/null
@@ -1,16 +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.
-
-// WARNING: Do not edit - generated code.
-
-interface WebGLCompressedTextureS3TC {
-
-  static final int COMPRESSED_RGBA_S3TC_DXT1_EXT = 0x83F1;
-
-  static final int COMPRESSED_RGBA_S3TC_DXT3_EXT = 0x83F2;
-
-  static final int COMPRESSED_RGBA_S3TC_DXT5_EXT = 0x83F3;
-
-  static final int COMPRESSED_RGB_S3TC_DXT1_EXT = 0x83F0;
-}