ARTEMIS-4067: remove unused/stale site distributionManagement settings

pom.xml

@@ -77,9 +77,6 @@
       <maven.compiler.source>11</maven.compiler.source>
       <maven.compiler.target>11</maven.compiler.target>
 
-       <!-- base url for site deployment.  See distribution management for full url.  Override this in settings.xml for staging -->
-      <staging.siteURL>scp://people.apache.org/x1/www/activemq.apache.org</staging.siteURL>
-
       <retryTests>false</retryTests>
       <logging.config>log4j2-tests-config.properties</logging.config>
       <modular.jdk.surefire.arg>--add-modules java.sql,jdk.unsupported </modular.jdk.surefire.arg>
@@ -255,16 +252,6 @@
       <tag>HEAD</tag>
    </scm>
 
-   <distributionManagement>
-      <site>
-         <!-- this needs to match a server in your settings.xml with upload settings -->
-         <id>activemq-website</id>
-         <!-- set the staging.siteURL in your ~/.m2/settings.xml in a release or other profile -->
-         <url>${staging.siteURL}/maven/${project.version}</url>
-         <!--<url>${site-repo-url}</url>-->
-      </site>
-   </distributionManagement>
-
    <issueManagement>
       <system>JIRA</system>
       <url>https://issues.apache.org/jira/browse/ARTEMIS</url>