[tracker] NIE: Remove cardinality restriction in nie:informationElementDate

[Jürg Billeter <juergbi src gnome org>]

commit 09f28bc066a38a90658924d5d3195c160ce49fdb
Author: Jürg Billeter <j bitron ch>
Date:   Mon Oct 12 15:23:00 2009 +0200

    NIE: Remove cardinality restriction in nie:informationElementDate
    
    It has multiple subproperties.

 data/ontologies/30-nie.ontology |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/data/ontologies/30-nie.ontology b/data/ontologies/30-nie.ontology
index 3aa1f4d..9179691 100644
--- a/data/ontologies/30-nie.ontology
+++ b/data/ontologies/30-nie.ontology
@@ -69,7 +69,6 @@ nie:plainTextContent a rdf:Property ;
 
 nie:informationElementDate a rdf:Property ;
 	rdfs:subPropertyOf dc:date ;
-	nrl:maxCardinality 1 ;
 	rdfs:domain nie:InformationElement ;
 	rdfs:range xsd:dateTime .