Comment out myfaces.zone.apache.org repo

Not sure why a UI-framework serving repo is in the kernel but it needs to be commented out now as the repo is no longer available and is slowing the build.

<!--
<repository>
<id>apache-repo</id>
<name>apache-repo</name>
<layout>default</layout>
<url>
http://myfaces.zones.apache.org/dist/maven-repository
</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
-->