Merge pull request #619 from strictdoc-project/reqif-parent-child-rels

docs: remove a dead link

Author: stanislaw

docs/strictdoc.sdoc

@@ -1029,10 +1029,6 @@ Planned formats:
   `ReqIF Implementation Guide <https://www.prostep.org/fileadmin/downloads/PSI_ImplementationGuide_ReqIF_V1-7.pdf>`_
   that attempts to harmonize the developments of ReqIF by requirements
   management tools.
-- `ProR <http://pror.org>`_
-- Doors
-- Enterprise Architect
-- and others
 [/FREETEXT]
 
 [SECTION]