Revert "Make neutron-tempest-plugin-bgpvpn-bagpipe non-voting"

This reverts commit 318d629308287c199ff937c1b4923a09a56f2984.

Reason for revert: Fix both for networking-bagpipe and networking-bgpvpn are merged now.
Depends-On: https://review.opendev.org/c/openstack/networking-bagpipe/+/883064

Change-Id: I8dbc6e812c1a6fbe57a86827b3b9755bbd2eeee8
1 file changed