private void processCategoriesDeleted() throws CancelledException {
		for (Long element : myCatChangeList) {
			currentMonitor.checkCancelled();

			long id = element.longValue();
			processCategoryDeleted(id);
		}
	}
Process conflicts for categories.
@throws CancelledException task was cancelled
Ghidra/Features/Base/src/main/java/ghidra/app/merge/datatypes/DataTypeMergeManager.java