Remove networking-bgpvpn from Functest requirements
Remove networking-bgpvpn from Functest requirements

SDNVPN team will take care of installing the module themselves
See https://gerrit.opnfv.org/gerrit/#/c/36505/

Change-Id: Ida38c8324e155906bcd18b12a418e7a62e55e3f0
Signed-off-by: jose.lausuch <a4ed9890ad7f6494ac84a749f29a4dc3449a1186@ericsson.com>

mywulin/functest,opnfv/functest,opnfv/functest,mywulin/functest