HHH-19145 - Relicense Hibernate ORM under ASL

HHH-19170 - Move hibernate-envers to separate repository

https://hibernate.atlassian.net/browse/HHH-19145
https://hibernate.atlassian.net/browse/HHH-19170

Author: sebersole

documentation/src/main/asciidoc/userguide/Hibernate_User_Guide.adoc

@@ -37,7 +37,6 @@ include::chapters/query/native/Native.adoc[]
 include::chapters/query/spatial/Spatial.adoc[]
 include::chapters/query/extensions/Vector.adoc[]
 include::chapters/multitenancy/MultiTenancy.adoc[]
-include::chapters/envers/Envers.adoc[]
 include::chapters/beans/Beans.adoc[]
 include::chapters/portability/Portability.adoc[]
 include::chapters/statistics/Statistics.adoc[]