The same pages for the frankfurt release can be accessible with two links. I.e.

https://docs.onap.org/en/frankfurt/submodules/integration.git/docs/docs_vFWDT.html (old)
https://onap-doc.readthedocs.io/projects/onap-integration/en/latest/docs_vFWDT.html

One of them is not in line with the Frankfurt branch changes. The "old" link can be found in google, so if someone finds a concrete doc from google might be directed to the old pages. We should remove the old page access to avoid misleading or incomplete documentation access.