no limit on core size

set LimitCORE=infinity to ensure complete core creation,
allows extraction of as much information as possible.

Thanks to Ulrich Obergfell <uobergfe@redhat.com>
and Jeremy Eder <jeder@redhat.com>

Signed-off-by: Lokesh Mandvekar <lsm5@fedoraproject.org>

contrib/init/systemd/docker.service

@@ -9,6 +9,7 @@ ExecStart=/usr/bin/docker -d -H fd://
 MountFlags=slave
 LimitNOFILE=1048576
 LimitNPROC=1048576
+LimitCORE=infinity
 
 [Install]
 WantedBy=multi-user.target