Removed hasSubPlan

@@ -1438,12 +1438,6 @@
   rdfs:subClassOf [
       rdf:type owl:Restriction ;
       owl:minQualifiedCardinality "0"^^xsd:nonNegativeInteger ;
-      owl:onClass :Plan ;
-      owl:onProperty :hasSubPlan ;
-    ] ;
-  rdfs:subClassOf [
-      rdf:type owl:Restriction ;
-      owl:minQualifiedCardinality "0"^^xsd:nonNegativeInteger ;
       owl:onClass :ScheduleForPlan ;
       owl:onProperty :hasSchedule ;
     ] ;
@@ -3111,11 +3105,6 @@ NOTE 2  A Plan for Activity can define a number of part activities which are rel
   rdfs:range :Contractor ;
   rdfs:subPropertyOf :hasResponsible ;
 .
-:hasSubPlan
-  rdf:type owl:ObjectProperty ;
-  rdfs:comment "A relationship between a planning object and a sub plan."^^xsd:string ;
-  rdfs:label "has Sub Plan"^^xsd:string ;
-.
 :hasSubProject
   rdf:type owl:ObjectProperty ;
   rdfs:comment "A relationship between a planning object and a sub project."^^xsd:string ;