kitchensink-ear: hibernate-validator and junit artifact issues

[sgilda]

Need to remove hibernate-validator and junit artifacts from parent pom file.

Impacts the following files:
jboss-javaee6-webapp-ear-blank-archetype/src/main/resources/archetype-resources/pom.xml
jboss-javaee6-webapp-ear-archetype/src/main/resources/archetype-resources/pom.xml