Revert "Move mojo edk into mojo/edk"

mojo/system/mapping_table.cc

Index: mojo/system/mapping_table.cc
diff --git a/mojo/edk/system/mapping_table.cc b/mojo/system/mapping_table.cc
similarity index 90%
rename from mojo/edk/system/mapping_table.cc
rename to mojo/system/mapping_table.cc
index 0a28a1d01f697f3c557b7b4922b97a2190db8a25..7aeb04d17c4b177da18048844a1d9b09f6aa3685 100644
--- a/mojo/edk/system/mapping_table.cc
+++ b/mojo/system/mapping_table.cc
@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "mojo/edk/system/mapping_table.h"
+#include "mojo/system/mapping_table.h"
 
 #include "base/logging.h"
-#include "mojo/edk/embedder/platform_shared_buffer.h"
-#include "mojo/edk/system/constants.h"
+#include "mojo/embedder/platform_shared_buffer.h"
+#include "mojo/system/constants.h"
 
 namespace mojo {
 namespace system {