RAT-193 - Take advantage of inheritance from ASF parent version 16

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/trunk@1658066 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/apache-rat/pom.xml b/apache-rat/pom.xml
index 438e5db..25c6ae0 100644
--- a/apache-rat/pom.xml
+++ b/apache-rat/pom.xml
@@ -170,7 +170,6 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-assembly-plugin</artifactId>
-            <version>2.4</version>
             <configuration>
               <descriptorSourceDirectory>${basedir}/src/main/assembly/</descriptorSourceDirectory>
               <tarLongFileMode>gnu</tarLongFileMode>
@@ -189,4 +188,4 @@
       </build>
     </profile>
   </profiles>
-</project>
\ No newline at end of file
+</project>