Cleanup mojo_shell and sample_app a bit

mojo/loader/job.cc

Index: mojo/loader/job.cc
diff --git a/mojo/loader/job.cc b/mojo/loader/job.cc
deleted file mode 100644
index 8e70fe9fadf336ed28a371ecb16d2ed2699fbe0b..0000000000000000000000000000000000000000
--- a/mojo/loader/job.cc
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2013 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.
-
-#include "mojo/loader/job.h"
-
-namespace mojo {
-namespace loader {
-
-Job::Delegate::~Delegate() {
-}
-
-Job::Job() {
-}
-
-Job::~Job() {
-}
-
-}  // namespace loader
-}  // namespace mojo