Implemented Neil's suggested definition changes

Removed the repetition of content from the definition of Explosive Mine in the definitions of its subclasses.

Author: APCox

src/cco-modules/ArtifactOntology.ttl

@@ -2793,7 +2793,7 @@ cco:ont00000734 rdf:type owl:Class ;
                 rdfs:subClassOf cco:ont00002066 ;
                 rdfs:label "Explosive Land Mine"@en ;
                 skos:altLabel "Land Mine"@en ;
-                skos:definition "An Explosive Mine that is designed to be concealed under or on the ground and to detonate as its target passes over or near it."@en ;
+                skos:definition "An Explosive Mine that is designed to be concealed under or on the ground."@en ;
                 cco:ont00001754 "https://en.wikipedia.org/w/index.php?title=Land_mine&oldid=1060289159"^^xsd:anyURI ;
                 cco:ont00001760 "https://www.commoncoreontologies.org/ArtifactOntology"^^xsd:anyURI .
 
@@ -5365,7 +5365,7 @@ cco:ont00002067 rdf:type owl:Class ;
                 rdfs:label "Explosive Naval Mine"@en ;
                 skos:altLabel "Naval Mine"@en ,
                               "Sea Mine"@en ;
-                skos:definition "An Explosive Mine that is designed to be concealed on or under water and to detonate as its target passes near it."@en ;
+                skos:definition "An Explosive Mine that is designed to be concealed on or under water."@en ;
                 cco:ont00001754 "https://en.wikipedia.org/w/index.php?title=Naval_mine&oldid=1299942380"^^xsd:anyURI ;
                 cco:ont00001760 "https://www.commoncoreontologies.org/ArtifactOntology"^^xsd:anyURI .