How can we install camel-jpa without installing openjpa in a Fuse 6.1-setup in order to use hibernate ?

Issue

• We were recommended migrating from openjpa to hibernate as openjpa won´t be supported anymore by RedHat starting with Fuse Release 6.2.
  Also, this seems to be the recommendation by RedHat given in https://access.redhat.com/solutions/350553.

• We looked into our implementation and found out that openjpa is installed in our deployment as a dependency of camel-jpa feature here.

• We see that in 6.2 you throw openjpa out of the feature https://repository.jboss.org/nexus/content/groups/ea/org/apache/camel/karaf/apache-camel/2.15.1.redhat-620128/apache-camel-2.15.1.redhat-620128-features.xml.

• How does this fit together for our still 6.1-setup, or put another way: how can we install camel-jpa without installing openjpa in a 6.1-setup in order to use hibernate?