Revert "wikistats packages needed for Jenkins environment"

This reverts commit eaa0ce2c1bfb574bbbfccf7d12f8328b549ffc64

confusion about wikistats. this is a different project.

This also adds the additional packages that were meant to be installed
(in another place) before the revert.

libjson-xs-perl, libnet-patricia-perl, libtemplate-perl

Change-Id: Id315806ed82455607e32129b607822bfa2d5d0b8