Revert "barnard update: dataports"

doc.zih.tu-dresden.de/docs/access/security_restrictions.md

doc.zih.tu-dresden.de/docs/access/ssh_login.md

...tu-dresden.de/docs/data_lifecycle/intermediate_archive.md

...u-dresden.de/docs/data_lifecycle/longterm_preservation.md

doc.zih.tu-dresden.de/docs/data_transfer/export_nodes.md

doc.zih.tu-dresden.de/docs/data_transfer/overview.md

...u-dresden.de/docs/jobs_and_resources/hardware_overview.md

doc.zih.tu-dresden.de/docs/quickstart/getting_started.md

doc.zih.tu-dresden.de/docs/software/gpu_programming.md