Fix changes report link

> [WARNING]  Goal 'changes-report' is deprecated: use change goal
maven-changes-plugin changed `changes-report` to `changes`

Removed plugin from pom.xml because parent pom already contains this config.

FILEUPLOAD-358 Release history link changed from changes-report.html to changes.html

pom.xml

@@ -193,22 +193,6 @@
             </reports>
           </reportSet>
         </reportSets>
-      </plugin>      
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-changes-plugin</artifactId>
-        <version>${commons.changes.version}</version>
-        <configuration>
-          <issueLinkTemplate>%URL%/../%ISSUE%</issueLinkTemplate>
-        </configuration>
-        <reportSets>
-          <reportSet>
-            <reports>
-              <report>changes-report</report>
-              <!--  NPE, retry from time to time <report>jira-report</report>  -->
-            </reports>
-          </reportSet>
-        </reportSets>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>

src/site/xdoc/index.xml

@@ -63,7 +63,7 @@
         <li><a href="https://javadoc.io/doc/commons-fileupload/commons-fileupload/latest/index.html">Javadoc Archives</a></li>
         <li><a href="https://dist.apache.org/repos/dist/release/commons/fileupload/RELEASE-NOTES.txt">Release Notes</a></li>
       </ul>
-      <p>You can also <a href="./scm.html">browse</a> the Subversion repository.</p>
+      <p>You can also <a href="./scm.html">browse</a> the Git repository.</p>
     </section>
 
     <section name="Releases">
@@ -73,7 +73,7 @@
         </li>
       </ul>
       <ul>
-        <li>Read the <a href="changes-report.html">changes report</a>.
+        <li>Read the <a href="changes.html">changes report</a>.
         </li>
       </ul>
     </section>