fix #9: stats doesn't need a separate server

rootfs/app/entrypoint.sh

@@ -9,7 +9,6 @@ PATH_AUTH=${PATH_BASE}/auth
 PATH_SSH_HOST=${PATH_BASE}/ssh
 
 WEBDAV_PORT=${WEBDAV_PORT:-8080}
-STATS_PORT=${STATS_PORT:-8081}
 LOG_DAYS=${LOG_DAYS:-7}
 
 PHP=${PHP:-none}
@@ -38,7 +37,6 @@ export PATH_LOGS
 export PATH_AUTH
 export PATH_SSH_HOST
 export WEBDAV_PORT
-export STATS_PORT
 export POSTSIZE
 export LOG_DAYS
 export PHP