void removeMarkupRecord(long key) {
		try {
			markupItemTableAdapter.removeMarkupItemRecord(key);
		}
		catch (IOException e) {
			session.dbError(e);
		}
	}
Called when an existing session has been initialized with its programs.  This is not called
when a new session is created.
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/api/db/AssociationDatabaseManager.java