remove elements from Expression.ecore which are not referenced
The terms ArrayAccess and StructureAccess are not referred in the code. Remove them
(from redmine: issue id 2870, created on 2017-03-06, closed on 2018-02-22)
The terms ArrayAccess and StructureAccess are not referred in the code. Remove them
(from redmine: issue id 2870, created on 2017-03-06, closed on 2018-02-22)