Remove unused property

pom.xml

@@ -42,7 +42,6 @@
     
     <!-- Properties -->
     <properties>        
-        <bundle.namespace>${project.groupId}.${project.artifactId}</bundle.namespace>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <gephi.maven.requiredVersion>3.0.3</gephi.maven.requiredVersion>
         <netbeans.run.params.ide/>