private static void removeAlias(Catalog catalog, String name) {
		if (catalog.aliases.containsKey(name)) {
			catalog.aliases.remove(name);
			try {
				catalog.write();
			} catch (IOException ex) {
				Util.warnMsg("Unable to remove alias: " + ex.getMessage());
			}
		}
	}
Remove alias from specified catalog file

@param catalogFile Path to catalog file
@param name        Name of alias to remove
src/main/java/dev/jbang/catalog/CatalogUtil.java