Change node check 2.1.6 to use operation `noteq` instead of `gt`.
Change node check 2.1.6 to use operation `noteq` instead of `gt`.

Kubelet option --streaming-connection-idle-timeout expects a string
value which fails parsing to integer for greater than comparison.

The string "0" indicates no timeout and this is what we are checking
for.

aquasecurity/kube-bench,aquasecurity/kube-bench