Unify maven jar plugin configuration and executions

Signed-off-by: Tobias Schneider <Tobias.Schneider@Tobsch.org>

redisson-all/pom.xml

@@ -130,6 +130,19 @@
                         </manifestEntries>
                     </archive>
                 </configuration>
+                <executions>
+                    <execution>
+                        <id>empty-javadoc-jar</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                        <configuration>
+                            <classifier>javadoc</classifier>
+                            <classesDirectory>${basedir}/javadoc</classesDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
             </plugin>
 
             <plugin>
@@ -160,26 +173,6 @@
                     </execution>
                 </executions>
 	    </plugin>
-
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <version>3.1.0</version>
-                <executions>
-                    <execution>
-                        <id>empty-javadoc-jar</id>
-                        <phase>package</phase>
-                        <goals>
-                            <goal>jar</goal>
-                        </goals>
-                        <configuration>
-                            <classifier>javadoc</classifier>
-                            <classesDirectory>${basedir}/javadoc</classesDirectory>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
-
         </plugins>
     </build>