fixed schedule for plan

@@ -3132,13 +3132,7 @@ NOTE 2  A Plan for Activity can define a number of part activities which are rel
       owl:onClass :ScheduleForILAP ;
       owl:onProperty :hasPreviousScheduleForPlan ;
     ] ;
-  rdfs:subClassOf [
-      rdf:type owl:Restriction ;
-      :shouldUseRef "true"^^xsd:boolean ;
-      owl:minQualifiedCardinality "0"^^xsd:nonNegativeInteger ;
-      owl:onClass :ScheduleForActivityInPlan ;
-      owl:onProperty :hasActivity ;
-    ] ;
+  
   owl:disjointWith :ScheduleForActivityInPlan ;
 .
 :ScheduleForPlan
@@ -3838,6 +3832,7 @@ NOTE 2  A Plan for Activity can define a number of part activities which are rel
   rdfs:label "has Baseline Schedule"^^xsd:string ;
   rdfs:subPropertyOf :hasSchedule ;
 .
+
 :hasCalendar
   rdf:type owl:ObjectProperty ;
   rdfs:comment "A relationship between a planning object and a calendar."^^xsd:string ;