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. Since 2.6
a group name, or NULL. [allow-none]
a key. [allow-none]
TRUE if the comment was removed, FALSE otherwise
GException on failure.
See Implementation
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. Since 2.6