Remove third party plugins from build configurtion.

<!--<module>javax.mail</module>--><!-- Moved to third party repository -->
<!--<module>org.ehcache</module>--><!-- Moved to third party repository -->
<!--<module>org.epics.graphene</module>--><!-- Moved to third party maven repository -->
<!--<module>org.hibernate.v4.1.3.Final</module>--><!-- Moved to third party repository -->
<!--<module>org.hibernate.validator.v4.3.Final</module>--><!-- Moved to third party repository -->
<!--<module>org.mockito</module>--><!-- having issues here -->