Revert "TODOTICKET Forbid Uses of Hibernate ORM 6's org.hibernate.tuple.entity.EntityMetamodel"

This reverts commit 7bfd80b.

Author: yrodiere

build/config/src/main/resources/forbidden-internal.txt

@@ -37,7 +37,6 @@ org.junit.experimental.runners.Enclosed @ Use NestedRunner instead of Enclosed a
 org.hibernate.jpa.QueryHints @ Hibernate ORM's QueryHints constants may not be correct for Jakarta artifacts.
 org.hibernate.annotations.QueryHints @ Hibernate ORM's QueryHints constants may not be correct for Jakarta artifacts.
 org.hibernate.tool.schema.Action @ Hibernate ORM doesn't support passing Action to property "hibernate.hbm2ddl.auto": you must pass a string
-org.hibernate.tuple.entity.EntityMetamodel @ Use other mapping classes (e.g. EntityPersister) instead
 
 ################################################################################################################
 @defaultMessage Favor EntityManager methods over their Session equivalent

build/config/src/main/resources/forbidden-public.txt

@@ -38,7 +38,6 @@ org.hibernate.SharedSessionContract#getTransaction() @ Using this method is ofte
 org.hibernate.jpa.QueryHints @ Hibernate ORM's QueryHints constants may not be correct for Jakarta artifacts.
 org.hibernate.annotations.QueryHints @ Hibernate ORM's QueryHints constants may not be correct for Jakarta artifacts.
 org.hibernate.service.ServiceRegistry#getService(java.lang.Class) @ Use HibernateOrmUtils.getServiceOrFail(...) or HibernateOrmUtils.getServiceOrEmpty(...) instead
-org.hibernate.tuple.entity.EntityMetamodel @ Use other mapping classes (e.g. EntityPersister) instead
 
 ################################################################################################################
 # Use our Contracts class instead