private void mergeDeletions(FunctionTagManagerDB tagManagerRESULT, List<Long> myEditedIDs,
			List<Long> latestEditedIDs, List<Long> myDeletedIDs, List<Long> latestDeletedIDs) {

		String CONFLICT_REASON = "Tag was deleted in one program but edited in another";

		for (long id : myDeletedIDs) {
			if (latestEditedIDs.contains(id)) {
				tagConflicts.put(id, CONFLICT_REASON);
			}
			else {
				FunctionTag tag = tagManagerRESULT.getFunctionTag(id);
				if (tag != null) {
					tag.delete();
				}
			}
		}
		for (long id : latestDeletedIDs) {
			if (myEditedIDs.contains(id)) {
				tagConflicts.put(id, CONFLICT_REASON);
			}
			else {
				FunctionTag tag = tagManagerRESULT.getFunctionTag(id);
				if (tag != null) {
					tag.delete();
				}
			}
		}
	}
Merges tags that have been deleted. 

CONFLICT CASES:
	1. A tag has been deleted in one program, but edited in the other.
Ghidra/Features/Base/src/main/java/ghidra/app/merge/listing/FunctionTagMerger.java