Revert "Pin networking-generic-switch to last known good commit"
Revert "Pin networking-generic-switch to last known good commit"

We have a newer netmiko version in the repo, so we should be good now.

This reverts commit 0d46431674c535207e8bfeb59515ee2e119356cf.

Change-Id: Id95033e85f8ef5bb0a52286f2f2f483b8ae6a9bd

redhat-openstack/rdoinfo,javierpena/rdoinfo