Checker: Re-add `SyslogIdentifier` to checkermaster unit file
Checker: Re-add `SyslogIdentifier` to checkermaster unit file

This seems to be required, even though it doesn't make much sense.

fausecteam/ctf-gameserver,fausecteam/ctf-gameserver,fausecteam/ctf-gameserver,fausecteam/ctf-gameserver,fausecteam/ctf-gameserver