fixed risk factors. These should not be sub class of Activity in the 2.0.x versi…

…ons, in the 2.5.x ActivityInPlan takes over for Activity and Activity can be used as a super class for risk factors.

@@ -18,7 +18,7 @@
 ILAP:LiftingOperation
         a                ILAP:ActivityRiskFactor ;
         rdfs:label       "Lifting operation"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:ActivityRiskFactor
         a                owl:Class ;
@@ -29,45 +29,45 @@ ILAP:ActivityRiskFactor
 ILAP:ShallowGasOperation
         a                ILAP:ActivityRiskFactor ;
         rdfs:label       "Shallow gas operation"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:RemovalOfBarriers
         a                ILAP:ActivityRiskFactor ;
         rdfs:label       "Removal of barriers"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:ActivityThatRequiresWorkOverOpenSea
         a                ILAP:ActivityRiskFactor ;
         rdfs:label       "Activity that requires work over open sea"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:ActivityForWhichJobSafetyAnalysisIsRequired
         a                owl:Class , ILAP:ActivityRiskFactor ;
         rdfs:label       "Activity for which job safety analysis is required"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:VesselOperation  a  owl:Class , ILAP:ActivityRiskFactor ;
         rdfs:label       "Vessel operation"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:ActivityCarriedOutOnHCsystems
         a                owl:Class , ILAP:ActivityRiskFactor ;
         rdfs:label       "Activity carried out on HC systems"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:HotWork  a          ILAP:ActivityRiskFactor ;
         rdfs:label       "Hot work"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:ActivityForWhichEntryPermitIsRequired
         a                owl:Class , ILAP:ActivityRiskFactor ;
         rdfs:label       "Activity for which entry permit is required"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:ActivityWithUtilityConstraints
         a                owl:Class , ILAP:ActivityRiskFactor ;
         rdfs:label       "Activity with utility constraints"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:hasRiskFactorForPlan
         a            owl:ObjectProperty ;
@@ -78,7 +78,7 @@ ILAP:hasRiskFactorForPlan
 ILAP:ActivityThatRequiresAreaAccessRestriction
         a                owl:Class , ILAP:ActivityRiskFactor ;
         rdfs:label       "Activity that requires area access restriction"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:hasOperatorsRequiredEndDate
         a             owl:DatatypeProperty ;
@@ -88,26 +88,26 @@ ILAP:hasOperatorsRequiredEndDate
 ILAP:ActivityForWhichESDPermitIsRequired
         a                owl:Class , ILAP:ActivityRiskFactor ;
         rdfs:label       "Activity for which ESD Permit is required"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:ActivityWithPotentialImpactOnHabitat
         a                owl:Class , ILAP:ActivityRiskFactor ;
         rdfs:label       "Activity with potential impact on habitat"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:HeightWork  a       ILAP:ActivityRiskFactor ;
         rdfs:label       "Height work"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:ActivityThatIsPOBreducing
         a                owl:Class , ILAP:ActivityRiskFactor ;
         rdfs:label       "Activity that is POB reducing"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:ActivityThatRequiresTemporaryBarrierImpairment
         a                owl:Class , ILAP:ActivityRiskFactor ;
         rdfs:label       "Activity that requires temporary barrier impairment"^^xsd:string ;
-        rdfs:subClassOf  ILAP:Activity .
+        .
 
 ILAP:Activity  rdfs:subClassOf  [ a                            owl:Restriction ;
                                   owl:minQualifiedCardinality  "0"^^xsd:nonNegativeInteger ;