Revert "Move mojo edk into mojo/edk"

mojo/public/js/bindings/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.
 
 # GYP version: mojo/mojo_public_tests.gypi:mojo_js_unittests
 test("mojo_js_unittests") {
   deps = [
     "//gin:gin_test",
+    "//mojo/common/test:test_support",
+    "//mojo/public/cpp/environment:standalone",
     "//mojo/bindings/js",
+    "//mojo/public/interfaces/bindings/tests:test_interfaces",
     "//mojo/common/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" ]
 }