monit: FIX filesystems template

templates/etc/monit/conf.d/filesystems.erb

 <% @local_volumes.split(",").each do |volume| -%>
 <% unless @exclude_filesystems.include?(volume) -%>
-<% unless volume.start_with?("/var/lib/docker/zfs")  -%>%>
+<% unless volume.start_with?("/var/lib/docker/zfs")  -%>
 
 check filesystem fs_<%= volume %> with path <%= volume %>
         if space usage > 80% for 5 times within 15 cycles then alert