chore(contrib/coreos): remove fleet 0.9.2 installation

This is now provided in the stable CoreOS image.

Author: carmstrong

contrib/coreos/user-data.example

@@ -20,18 +20,6 @@ coreos:
   units:
   - name: etcd.service
     command: start
-  - name: upgrade-fleet-091.service
-    command: start
-    content: |
-      [Unit]
-      Description=Upgrade fleet if system fleet is v0.9.1, which has a known bug
-      Before=fleet.service
-      ConditionPathIsSymbolicLink=!/etc/systemd/system/fleet.service.d/99-upgrade-fleet-091.conf
-
-      [Service]
-      ExecStart=/usr/bin/bash -c 'if fleetd --version | grep -q 0.9.1; then curl -sSL --retry 5 --retry-delay 2 -o /opt/bin/fleetd-0.9.2 https://s3-us-west-2.amazonaws.com/opdemand/fleetd-v0.9.2 && chmod +x /opt/bin/fleetd-0.9.2 && mkdir -p /etc/systemd/system/fleet.service.d/ && ln -sf /opt/conf/fleetd-092-custom-binary.conf /etc/systemd/system/fleet.service.d/99-upgrade-fleet-091.conf; else rm -f /etc/systemd/system/fleet.service.d/99-upgrade-fleet-091.conf; fi'
-      RemainAfterExit=yes
-      Type=oneshot
   - name: docker-tcp.socket
     command: start
     enable: true
@@ -208,8 +196,3 @@ write_files:
       [Service]
       ExecStart=
       ExecStart=/usr/sbin/ntpd -g -n -f /var/lib/ntp/ntp.drift
-  - path: /opt/conf/fleetd-092-custom-binary.conf
-    content: |
-      [Service]
-      ExecStart=
-      ExecStart=/opt/bin/fleetd-0.9.2