Remove /var/run/rsyslogd.pid otherwise rsyslogd will not start in database container (#1355)

Author: pavel-shirshov

dockers/docker-database/supervisord.conf

@@ -4,7 +4,7 @@ logfile_backups=2
 nodaemon=true
 
 [program:rsyslogd]
-command=/usr/sbin/rsyslogd -n
+command=/bin/bash -c "rm -f /var/run/rsyslogd.pid && /usr/sbin/rsyslogd -n"
 priority=1
 autostart=true
 autorestart=false