remove Shibboleth repository as opensaml 2.6.1 already in maven central repo

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx4/bundles/trunk@1631674 13f79535-47bb-0310-9956-ffa450edef68
[SMX4-1811]opensaml bundle miss *.xml and *.properties

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx4/bundles/trunk@1631675 13f79535-47bb-0310-9956-ffa450edef68
[SMX4-1811]add for next round release

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx4/bundles/trunk@1631677 13f79535-47bb-0310-9956-ffa450edef68