removeJsonKey method
Removes a map key at path's last element (the map complement of removeJsonList).
Implementation
@override
void removeJsonKey(String file, List<Object> path) {
if (path.isEmpty) return;
final parent = _jsonAt(current?.file(file), path.sublist(0, path.length - 1));
if (parent is Map) {
parent.remove(path.last);
configEdited(file);
}
}