As network policy jobs in zuul are moved to be run by the feature gate,
usage of them in old scripts should be taken out to avoid confusion and
potential problem where netpol cause unexpected connection failure. This
patch set removes the remanant of these netpol's.
Change-Id: I1ce86d27ca4f708b17d848d742ba840156d4ef6c
Signed-off-by: Tin Lam <tin@irrational.io>