Revert "Move mojo edk into mojo/edk"

mojo/go/tests/system_test.go

 // 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.
 
 package tests
 
 import "mojo/go/system/embedder"
 import "mojo/go/system/impl"
-import "mojo/public/go/mojo/edk/system"
+import "mojo/public/go/mojo/system"
 import "testing"
 
 func Init() {
-        embedder.InitializeMojoEmbedder()
+        embedder.InitializeMojoEmbedder();
 }
 
 func TestGetTimeTicksNow(t *testing.T) {
-        Init()
-        var c system.Core = impl.GetCore()
-        x := c.GetTimeTicksNow()
-        if x < 10 {
-                t.Error("Invalid GetTimeTicksNow return value")
+        Init();
+        var c system.Core = impl.GetCore();
+        x := c.GetTimeTicksNow();
+        if (x < 10) {
+                t.Error("Invalid GetTimeTicksNow return value");
         }
 }