By using the alfred2 mechanism of the Monitoring, we get rid
of the embracing {"64":...} key-value construct.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Reviewed-by: Christian Dresel <fff@chrisi01.de>
Reviewed-by: Fabian Bläse <fabian@blaese.de>