Update scripts/service_provisioning/PROV_SC_02/README.md,...

Update scripts/service_provisioning/PROV_SC_02/README.md, scripts/service_provisioning/PROV_SC_02/svlan_registration_creation.xml.pyformat, scripts/service_provisioning/PROV_SC_02/svlan_creation.xml.pyformat, scripts/service_provisioning/PROV_SC_02/PROV_SC_02_script.txt, xml-examples/service_provisioning/3_provider_edge_bridge/6_cvlan_registration_creation_request.xml, scripts/service_provisioning/PROV_SC_02/svlan_creation_untagged_pvid.xml.pyformat, scripts/service_provisioning/PROV_SC_02/PROV_SC_02_deletion_script.txt, scripts/service_provisioning/PROV_SC_02/svlan_deletion.xml.pyformat