Removes a comment above key from group_name. If key is NULL then comment will be removed above group_name. If both key and group_name are NULL, then comment will be removed above the first group in the file.
a group name, or NULL
a key
TRUE if the comment was removed, FALSE otherwise
GException on failure.
2.6
Removes a comment above key from group_name. If key is NULL then comment will be removed above group_name. If both key and group_name are NULL, then comment will be removed above the first group in the file.