[MDOAP-63] Upgrade parent POM to 39
diff --git a/pom.xml b/pom.xml
index 52bb63f..cbda2b7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,8 +25,8 @@
   <parent>
     <groupId>org.apache.maven.plugins</groupId>
     <artifactId>maven-plugins</artifactId>
-    <version>34</version>
-    <relativePath>../../pom/maven/maven-plugins/pom.xml</relativePath>
+    <version>39</version>
+    <relativePath/>
   </parent>
 
   <artifactId>maven-doap-plugin</artifactId>
@@ -206,25 +206,6 @@
               </locales>
             </configuration>
           </plugin>
-          <plugin>
-            <groupId>org.apache.maven.plugins</groupId>
-            <artifactId>maven-changes-plugin</artifactId>
-            <version>2.8</version>
-            <configuration>
-              <!-- For JIRA-report -->
-              <columnNames>Type,Key,Summary,Assignee,Status,Resolution,Fix Version</columnNames>
-              <onlyCurrentVersion>true</onlyCurrentVersion>
-              <resolutionIds>Closed</resolutionIds>
-              <sortColumnNames>Type,Key</sortColumnNames>
-            </configuration>
-            <reportSets>
-              <reportSet>
-                <reports>
-                  <report>jira-report</report>
-                </reports>
-              </reportSet>
-            </reportSets>
-          </plugin>
         </plugins>
       </reporting>
     </profile>
@@ -236,15 +217,12 @@
             <plugin>
               <groupId>org.apache.maven.plugins</groupId>
               <artifactId>maven-invoker-plugin</artifactId>
+              <version>3.5.1</version>
               <configuration>
                 <goals>
                   <goal>clean</goal>
                   <goal>${project.groupId}:${project.artifactId}:${project.version}:generate</goal>
                 </goals>
-                <properties>
-                  <!-- e.g. ensure that Java7 picks up TLSv1.2 when connecting with Central -->
-                  <https.protocols>${https.protocols}</https.protocols>
-                </properties>
               </configuration>
             </plugin>
           </plugins>