private int getNumDefinedComponents(Composite c) {
		if (c instanceof Structure) {
			return ((Structure) c).getNumDefinedComponents();
		}
		return c.getNumComponents();
	}
Process categories that were deleted in MY program, but are not
conflicts, i.e., not renamed, moved, or deleted in LATEST.
@param id category ID
Ghidra/Features/Base/src/main/java/ghidra/app/merge/datatypes/DataTypeMergeManager.java