Don't mention HHH-17362 in migration guide

It's not a solution, see https://hibernate.atlassian.net/browse/HHH-17362?focusedCommentId=113465

migration-guide.adoc

@@ -78,8 +78,9 @@ To get rid of that error:
 
 1. Check out the specific sections in the User Guide for a guideline on how to properly harness the annotation processor classpath to use `hibernate-jpamodelgen`:
    see {userGuideBase}#tooling-gradle-modelgen[here for Gradle] or {userGuideBase_6_4}#tooling-maven-modelgen[here for Maven].
-2. If the annotation processor classpath doesn't work in your case (e.g. because you use Maven and need the version of `hibernate-jpamodelgen` managed through a BOM),
-   upgrade to a newer version of Hibernate ORM that fixes https://hibernate.atlassian.net/browse/HHH-17362[HHH-17362].
+2. If the annotation processor classpath doesn't work in your case because you use Maven and need the version of `hibernate-jpamodelgen` managed through a BOM,
+   watch for new releases of the Maven Compiler Plugin, which should handle dependency management for `annotationProcessorPath` entries in version 3.12.0;
+   see https://issues.apache.org/jira/browse/MCOMPILER-391.
 
 [[hql-null-literal-comparison]]
 == HQL null literal comparison