Update ref-arch-infrastructure.md
Update ref-arch-infrastructure.md

Deleted hyperlinks to DoDAF reference due to change in structure of target
Project-Interoperability/project-interoperability.github.io,Project-Interoperability/project-interoperability.github.io,Project-Interoperability/project-interoperability.github.io,Project-Interoperability/project-interoperability.github.io