remove UMAC_UNCALLABLE_METHOD_OF_ANONYMOUS_CLASS from global exclude
<!-- Various debug probes have non final static fields -->
<!-- TODO: Replace by in-code annotations -->
<Bug pattern="MS_SHOULD_BE_FINAL"/>
- <!-- Groovy generates this -->
- <Bug pattern="UMAC_UNCALLABLE_METHOD_OF_ANONYMOUS_CLASS"/>
<!-- TODO: It's a real issue, but the code is flooded by it right now-->
<Bug pattern="DM_DEFAULT_ENCODING"/>
<!-- TODO: Remove once we migrate to SpotBugs with full Java support (JENKINS-53720)-->
