Remove all abstract elements from constraint validation (#462)

* Remove all abstract elements from constraint validation

* Make ResposibilityRole not abstract, and revert constraint check removal

* Update NeTEx_publication.xsd

* Update NeTEx_publication_timetable.xsd

---------

Co-authored-by: Matthias Günter <matthias.guenter@sbb.ch>

Author: skinkie

xsd/NeTEx_publication.xsd

@@ -8217,7 +8217,7 @@
 		</xsd:unique>
 		<!-- =====Journey Key ========================== -->
 		<xsd:keyref name="Journey_KeyRef" refer="netex:Journey_AnyVersionedKey">
-			<xsd:selector xpath=".//netex:ServiceJourneyRef | .//netex:VehicleJourneyRef |  .//netex:DatedVehicleJourneyRef |  .//netex:NormalDatedVehicleJourneyRef  |.//netex:TemplateServiceJourneyRef | .//netex:DeadRunRef | .//netex:FromJourneyRef | .//netex:ToJourneyRef"/>
+			<xsd:selector xpath=".//netex:ServiceJourneyRef | .//netex:VehicleJourneyRef | .//netex:DatedVehicleJourneyRef | .//netex:NormalDatedVehicleJourneyRef | .//netex:TemplateServiceJourneyRef | .//netex:DeadRunRef | .//netex:FromJourneyRef | .//netex:ToJourneyRef"/>
 			<xsd:field xpath="@ref"/>
 			<xsd:field xpath="@version"/>
 		</xsd:keyref>
@@ -8458,15 +8458,6 @@
 			<xsd:field xpath="@version"/>
 		</xsd:key>
 		<!-- =====JourneyFrequencyGroup============================== -->
-		<!-- =====JourneyFrequencyGroup unique========================== -->
-		<xsd:unique name="JourneyFrequencyGroup_UniqueBy_Id_Version">
-			<xsd:annotation>
-				<xsd:documentation>Every [JourneyFrequencyGroup Id + Version] must be unique within document.</xsd:documentation>
-			</xsd:annotation>
-			<xsd:selector xpath=".//netex:JourneyFrequencyGroup"/>
-			<xsd:field xpath="@id"/>
-			<xsd:field xpath="@version"/>
-		</xsd:unique>
 		<!-- =====JourneyFrequencyGroup Key ========================== -->
 		<xsd:keyref name="JourneyFrequencyGroup_KeyRef" refer="netex:JourneyFrequencyGroup_AnyVersionedKey">
 			<xsd:selector xpath=".//netex:JourneyFrequencyGroupRef"/>
@@ -9591,17 +9582,6 @@
 			<xsd:field xpath="@id"/>
 			<xsd:field xpath="@version"/>
 		</xsd:unique>
-		<!-- =====FareElementInSequence Key ========================== -->
-		<xsd:keyref name="FareElementInSequence_KeyRef" refer="netex:FareElementInSequence_AnyVersionedKey_ordered">
-			<xsd:selector xpath=".//netex:FareElementInSequenceRef"/>
-			<xsd:field xpath="@ref"/>
-			<xsd:field xpath="@version"/>
-		</xsd:keyref>
-		<xsd:key name="FareElementInSequence_AnyVersionedKey_ordered">
-			<xsd:selector xpath=".//netex:FareElementInSequence"/>
-			<xsd:field xpath="@id"/>
-			<xsd:field xpath="@version"/>
-		</xsd:key>
 		<!-- =====TypeOfFareStructureElement============================== -->
 		<!-- =====TypeOfFareStructureElement unique========================== -->
 		<xsd:unique name="TypeOfFareStructureElement_UniqueBy_Id_Version">

xsd/NeTEx_publication_timetable.xsd

@@ -1710,17 +1710,6 @@ Provides a general purose wrapper for NeTEx data content.</xsd:documentation>
 			<xsd:field xpath="@id"/>
 			<xsd:field xpath="@version"/>
 		</xsd:key>
-		<!-- =====AccessEquipment============================ -->
-		<xsd:keyref name="AccessEquipment_AnyKeyRef" refer="netex:AccessEquipment_AnyVersionedKey">
-			<xsd:selector xpath=".//netex:AccessEquipmentRef"/>
-			<xsd:field xpath="@ref"/>
-			<xsd:field xpath="@version"/>
-		</xsd:keyref>
-		<xsd:key name="AccessEquipment_AnyVersionedKey">
-			<xsd:selector xpath=".//netex:EntranceEquipment | .//netex:LiftEquipment | .//netex:LiftCallEquipment | .//netex:RampEquipment | .//netex:StaircaseEquipment | .//netex:EscalatorEquipment | .//netex:TravelatorEquipment | .//netex:RoughSurface | .//netex:PlaceLighting"/>
-			<xsd:field xpath="@id"/>
-			<xsd:field xpath="@version"/>
-		</xsd:key>
 		<!-- =====EntranceEquipment============================== -->
 		<!-- =====EntranceEquipment unique========================== -->
 		<xsd:unique name="EntranceEquipment_UniqueBy_Id_Version">
@@ -5781,15 +5770,6 @@ Provides a general purose wrapper for NeTEx data content.</xsd:documentation>
 			<xsd:field xpath="@version"/>
 		</xsd:key>
 		<!-- =====JourneyFrequencyGroup============================== -->
-		<!-- =====JourneyFrequencyGroup unique========================== -->
-		<xsd:unique name="JourneyFrequencyGroup_UniqueBy_Id_Version">
-			<xsd:annotation>
-				<xsd:documentation>Every [JourneyFrequencyGroup Id + Version] must be unique within document.</xsd:documentation>
-			</xsd:annotation>
-			<xsd:selector xpath=".//netex:JourneyFrequencyGroup"/>
-			<xsd:field xpath="@id"/>
-			<xsd:field xpath="@version"/>
-		</xsd:unique>
 		<!-- =====JourneyFrequencyGroup Key ========================== -->
 		<xsd:keyref name="JourneyFrequencyGroup_KeyRef" refer="netex:JourneyFrequencyGroup_AnyVersionedKey">
 			<xsd:selector xpath=".//netex:JourneyFrequencyGroupRef"/>