Revert "update"

docs.it4i/anselm-cluster-documentation/capacity-computing.md

docs.it4i/anselm-cluster-documentation/compute-nodes.md

...i/anselm-cluster-documentation/environment-and-modules.md

docs.it4i/anselm-cluster-documentation/hardware-overview.md

docs.it4i/anselm-cluster-documentation/job-priority.md

...elm-cluster-documentation/job-submission-and-execution.md

docs.it4i/anselm-cluster-documentation/network.md

docs.it4i/anselm-cluster-documentation/prace.md

...it4i/anselm-cluster-documentation/remote-visualization.md

...er-documentation/resource-allocation-and-job-execution.md

...selm-cluster-documentation/resources-allocation-policy.md

...t4i/anselm-cluster-documentation/shell-and-data-access.md

...selm-cluster-documentation/software/ansys/ansys-fluent.md

...ter-documentation/software/ansys/ansys-mechanical-apdl.md

...anselm-cluster-documentation/software/chemistry/molpro.md

...anselm-cluster-documentation/software/chemistry/nwchem.md

docs.it4i/anselm-cluster-documentation/software/compilers.md

...elm-cluster-documentation/software/comsol-multiphysics.md

...m-cluster-documentation/software/debuggers/allinea-ddt.md

...ntation/software/debuggers/allinea-performance-reports.md