Remove mojo/apps/js, it is unused

mojo/apps/js/bindings/gl/BUILD.gn

Index: mojo/apps/js/bindings/gl/BUILD.gn
diff --git a/mojo/apps/js/bindings/gl/BUILD.gn b/mojo/apps/js/bindings/gl/BUILD.gn
deleted file mode 100644
index 4f3eaf23bfcd0dd3616d32e01c091f35a162a634..0000000000000000000000000000000000000000
--- a/mojo/apps/js/bindings/gl/BUILD.gn
+++ /dev/null
@@ -1,23 +0,0 @@
-# Copyright 2014 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.
-
-# GYP version: part of mojo/mojo_apps.gypi:mojo_js_lib
-source_set("gl") {
-  sources = [
-    "context.cc",
-    "context.h",
-    "module.cc",
-    "module.h",
-  ]
-
-  deps = [
-    "//base",
-    "//gin",
-    "//v8",
-    "//mojo/bindings/js",
-    "//mojo/environment:chromium",
-    "//mojo/public/gles2:for_shared_library",
-    "//mojo/services/gles2:lib",
-  ]
-}