Remove obsolete setups from test suite

The setups labeled APR21 and DEC21 were only for testing purposes and will be removed from the repository with one of the next commits. So we have to remove the tests using these setups.

changed milestone to %DEC21

added BugFix CI/CD Geometry labels

assigned to @f.uhlig

Dear @v.singhal,

you have been identified as code owner of at least one file which was changed with this merge request.

Please check the changes and approve them or request changes.

added CodeOwners label

merged

added Ported label