Refactored GeneralResultSubMechanismIllustrationPoint: - Removed class in favor of the GeneralResult<T> - Renamed files when appropriate - Removed obsolete extensions, these are replaced by internal logic based on strings of the wrapper IllustrationPointControlItem on the calling side Related to Issue [WTI-1308] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@10687 5a3db67b-de53-47b5-99c8-a1c30a6650e2