Move //mojo/examples to //examples

mojo/examples/echo/echo_service.mojom

Index: mojo/examples/echo/echo_service.mojom
diff --git a/mojo/examples/echo/echo_service.mojom b/mojo/examples/echo/echo_service.mojom
deleted file mode 100644
index 6e23c6d4247e74a561526ffbce438e22967fd8f0..0000000000000000000000000000000000000000
--- a/mojo/examples/echo/echo_service.mojom
+++ /dev/null
@@ -1,11 +0,0 @@
-// 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.
-
-module mojo.examples {
-
-interface EchoService {
-  EchoString(string? value) => (string? value);
-};
-
-}