Fix warning about reporting configuration (#15)

* Fix warning about reporting configuration

Fixes:
Some problems were encountered while building the effective model
 for org.z3950.zing:cql-java:jar:1.14-SNAPSHOT
[WARNING] Reporting configuration should be done in <reporting>
 section, not in maven-site-plugin <configuration> as reportPlugins parameter.

Author: adamdickmeiss

pom.xml

@@ -55,6 +55,7 @@
         <version>2.10.4</version>
         <configuration>
           <chartset>UTF-8</chartset>
+          <additionalparam>${javadoc.opts}</additionalparam>
         </configuration>
       </plugin>
     </plugins>
@@ -158,17 +159,6 @@
               <groupId>org.apache.maven.plugins</groupId>
               <artifactId>maven-site-plugin</artifactId>
               <version>3.6</version>
-              <configuration>
-                <reportPlugins>
-                  <plugin>
-                    <groupId>org.apache.maven.plugins</groupId>
-                    <artifactId>maven-javadoc-plugin</artifactId>
-                    <configuration>
-                      <additionalparam>${javadoc.opts}</additionalparam>
-                    </configuration>
-                  </plugin>
-                </reportPlugins>
-              </configuration>
             </plugin>
           </plugins>
         </pluginManagement>
@@ -199,4 +189,3 @@
     </profile>
   </profiles>
 </project>
-