HHH-19846 Drop JUnit 4 usage

[dreab8]

Dropped Junit4 in packages:

• org.hibernate.orm.test.annotations.configuration
• org.hibernate.orm.test.annotations.derivedidentities.e1.b
• org.hibernate.orm.test.annotations.derivedidentities.e1.b.specjmapid
• org.hibernate.orm.test.annotations.derivedidentities.e1.b.specjmapid.lazy
• org.hibernate.orm.test.annotations.derivedidentities.e1.c
• org.hibernate.orm.test.annotations.derivedidentities.e4.b
• org.hibernate.orm.test.annotations.derivedidentities.e5.c
• org.hibernate.orm.test.annotations.duplicatedgenerator
• org.hibernate.orm.test.annotations.entity
• org.hibernate.orm.test.annotations.enumerated.mapkey
• org.hibernate.orm.test.annotations.enumerated.ormXml
• org.hibernate.orm.test.annotations.fetch
• org.hibernate.orm.test.annotations.fetchprofile
• org.hibernate.orm.test.annotations.formula
• org.hibernate.orm.test.annotations.idmanytoone
• org.hibernate.orm.test.annotations.idmanytoone.alphabetical
• org.hibernate.orm.test.annotations.immutable
• org.hibernate.orm.test.annotations.index.jpa
• org.hibernate.orm.test.annotations.indexcoll
• org.hibernate.orm.test.annotations.indexcoll.eager
• org.hibernate.orm.test.annotations.join

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and can be relicensed under the terms of the LGPL v2.1 license in the future at the maintainers' discretion.
For more information on licensing, please check here.

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https://hibernate.atlassian.net/browse/HHH-19846