Revert "Move mojo edk into mojo/edk"

mojo/system/entrypoints.h

Index: mojo/system/entrypoints.h
diff --git a/mojo/edk/system/entrypoints.h b/mojo/system/entrypoints.h
similarity index 80%
rename from mojo/edk/system/entrypoints.h
rename to mojo/system/entrypoints.h
index 46c41b4b821fcf70fbe534551e8db538d974869a..65a03631e6a5867712f5382bb41dd46c9905ec23 100644
--- a/mojo/edk/system/entrypoints.h
+++ b/mojo/system/entrypoints.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MOJO_EDK_SYSTEM_ENTRYPOINTS_H_
-#define MOJO_EDK_SYSTEM_ENTRYPOINTS_H_
+#ifndef MOJO_SYSTEM_ENTRYPOINTS_H
+#define MOJO_SYSTEM_ENTRYPOINTS_H
 
 namespace mojo {
 namespace system {
@@ -21,4 +21,4 @@ Core* GetCore();
 }  // namepace system
 }  // namespace mojo
 
-#endif  // MOJO_EDK_SYSTEM_ENTRYPOINTS_H_
+#endif  // MOJO_SYSTEM_ENTRYPOINTS_H