rrdd_monitor: Remove unneeded let binding
rrdd_monitor: Remove unneeded let binding

Signed-off-by: Euan Harris <c3b6e83069c8e9e3af49a38fec6026be89559638@citrix.com>

johnelse/xcp-rrdd,djs55/xcp-rrdd,djs55/xcp-rrdd,johnelse/xcp-rrdd