Updated changes.xml path.

pom.xml

@@ -626,9 +626,6 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-changes-plugin</artifactId>
         <version>${orekit.maven-changes-plugin.version}</version>
-        <configuration>
-          <xmlPath>${basedir}/src/site/xdoc/changes.xml</xmlPath>
-        </configuration>
         <reportSets>
           <reportSet>
             <reports>