Remove update-engine's init script

Part of a three CL commit that moves update-engine.conf from platform/init
to platform/update_engine

BUG=chromium:348801
TEST=build chromeos-init. update-engine.conf is not owned by chromeos-init.

CQ-DEPEND=I54889e0b34c9adcf12ac7ba12c2409c49642827f
CQ-DEPEND=Id23e80659dfde2d48b21417245fae1326ef4cdf7

Change-Id: Idafd4fcd84ed4b785c11b96b879aa739cd9d2ade
Reviewed-on: https://chromium-review.googlesource.com/188772
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Bertrand Simonnet <bsimonnet@chromium.org>
Commit-Queue: Bertrand Simonnet <bsimonnet@chromium.org>
diff --git a/update-engine.conf b/update-engine.conf
deleted file mode 100644
index 382561c..0000000
--- a/update-engine.conf
+++ /dev/null
@@ -1,26 +0,0 @@
-# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-description     "System software update service"
-author          "chromium-os-dev@chromium.org"
-
-# Note, the 'start on' line is modified by chromeos-factoryinstall ebuild.
-# Please do not change it without also changing that reference.
-start on starting system-services
-stop on stopping system-services
-respawn
-
-expect fork
-
-# Runs the daemon at low/idle IO priority so that updates don't
-# impact system responsiveness.
-exec ionice -c3 update_engine
-
-# Put update_engine process in its own cgroup.
-# Default cpu.shares is 1024.
-post-start script
-  cgroup_dir="/sys/fs/cgroup/cpu/${UPSTART_JOB}"
-  mkdir -p "${cgroup_dir}"
-  echo $(status | cut -f 4 -d ' ') > "${cgroup_dir}/tasks"
-end script