remove unneeded Hibernate4_0Plugin class
remove ConfigurationFactory, FakeDelegatingDriver and FakeTransactionManagerLookup from org.jboss.tools.hibernate4_0
remove unneeded Hibernate3_6Plugin class
remove ConfigurationFactory, FakeDelegatingDriver and FakeTransactionManagerLookup from org.jboss.tools.hibernate3_6
remove unneeded Hibernate3_5Plugin class
remove unused FakeTransactionManagerLookup from org.jboss.tools.hibernate3_5