Changes

Summary

Commit 28c940213323fbd8f3516ae5b19d6d07c33b9da8 by cyril New pass at removing SystemAnnouncer references This change is a new step at reducing the references to SystemAnnouncer class>>#uniqueInstance references in order to remove the singleton in the future.
The file was modified	src/DebugPoints-Tests/DebugPointObserverTest.class.st (diff)
The file was modified	src/Epicea/EpMonitor.class.st (diff)
The file was modified	src/ClassAnnotation/ClassAnnotationRegistry.class.st (diff)
The file was modified	src/Kernel-Tests/AbstractClassDescriptionAnnouncementTest.class.st (diff)
The file was modified	src/DebugPoints/DebugPointManager.class.st (diff)
The file was modified	src/General-Rules/ReImplementedNotSentRule.class.st (diff)
The file was modified	src/Traits/TaAbstractComposition.class.st (diff)
The file was modified	src/System-Support-Tests/SystemNavigationTest.class.st (diff)
The file was modified	src/Renraku/ReRuleManager.class.st (diff)
The file was modified	src/Reflectivity/ReflectiveMethod.class.st (diff)
The file was modified	src/Ring-Definitions-Core-Tests/RGMethodDefinitionTest.class.st (diff)