Stop linking in the old Mojo EDK.

mojo/runner/host/BUILD.gn

Index: mojo/runner/host/BUILD.gn
diff --git a/mojo/runner/host/BUILD.gn b/mojo/runner/host/BUILD.gn
index 3bfd5aa34c80fa35609045288c89a5072caba83b..a57f38baeca4438c6092393ed218345e3ef754c8 100644
--- a/mojo/runner/host/BUILD.gn
+++ b/mojo/runner/host/BUILD.gn
@@ -62,13 +62,13 @@ source_set("lib") {
     "//base",
     "//base:base_static",
     "//base:i18n",
+    "//mojo/edk/system",
     "//mojo/gles2",
     "//mojo/message_pump",
     "//mojo/platform_handle:platform_handle_impl",
     "//mojo/runner:init",
     "//mojo/runner/child:interfaces",
     "//mojo/shell",
-    "//third_party/mojo/src/mojo/edk/system",
   ]
 
   if (is_linux && !is_android) {
@@ -99,10 +99,10 @@ test("mojo_runner_host_unittests") {
     "//base",
     "//base/test:test_support",
     "//mojo/common",
+    "//mojo/edk/system",
     "//mojo/environment:chromium",
     "//mojo/message_pump",
     "//mojo/runner:init",
     "//testing/gtest",
-    "//third_party/mojo/src/mojo/edk/system",
   ]
 }