Move mojo/bindings/js to mojo/edk/js

mojo/edk/js/tests/BUILD.gn

 # 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.
 
 test("js_unittests") {
   deps = [
     "//gin:gin_test",
-    "//mojo/bindings/js",
+    "//mojo/edk/js",
+    "//mojo/edk/js:js_unittests",
     "//mojo/edk/test:run_all_unittests",
     "//mojo/edk/test:test_support",
     "//mojo/public/cpp/environment:standalone",
     "//mojo/public/cpp/utility",
     "//mojo/public/interfaces/bindings/tests:test_interfaces",
   ]
 
   sources = [ "run_js_tests.cc" ]
 }