[MDEPLOY-230] - Update parent to 31.

Author: khmarbaise

pom.xml

@@ -25,7 +25,7 @@ under the License.
  <parent>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-plugins</artifactId>
- <version>30</version>
+ <version>31</version>
  <relativePath>../../pom/maven/maven-plugins/pom.xml</relativePath>
  </parent>
 
@@ -200,7 +200,6 @@ under the License.
  <plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-changes-plugin</artifactId>
- <version>2.3</version>
  <configuration>
  <!-- For JIRA-report -->
  <columnNames>Type,Key,Summary,Assignee,Status,Resolution,Fix Version</columnNames>