update backup script

backup.sh

@@ -65,6 +65,7 @@ sleep 2
 echo "compress the worlds"
 # TODO make the archive structure more logical (see alone map.db)
 su - $user -c "ionice -c3 tar -czf $backupfile $tmp/* $worldsdir/$world3/map.db"
+su - $user -c "rm $worldsdir/$world3/rollback.sqlite"
 
 systemctl start $world3Database
 sleep 2
@@ -76,4 +77,4 @@ su - $user -c "/usr/local/bin/mc cp $backupfile t1/backups/minetest/"
 # vacuum the backup directory
 #
 su - $user -c "rm -rf $backupfile"
-su - $user -c "/usr/local/bin/mc rm --force --older-than=4 t1/backups/minetest/"
+#su - $user -c "/usr/local/bin/mc rm --force --older-than=4 t1/backups/minetest/"