Remove redundancy with commons-parent.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1465181 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

pom.xml

@@ -238,11 +238,6 @@ limitations under the License.
             </ignorePathsToDelete>
           </configuration>
         </plugin>
-        <plugin>
-          <groupId>org.apache.maven.plugins</groupId>
-          <artifactId>maven-site-plugin</artifactId>
-          <version>3.2</version>
-        </plugin>
       </plugins>
     </pluginManagement>
     <plugins>