Remove obsolete parts from the static infomodel documentation

[clange]

https://w3id.org/idsa/core contains old static documentation, e.g., about the "Parameter" concept, which we removed from the infomodel implementation for v4.0.0. This is a concrete prerequisite for #526.

[JohannesLipp]

Please note that the blocker #571 is solved now.

[JohannesLipp]

partially solved by #606 (Industrial -> International)