unsubscribe method
Unsubscribes from the subreddit.
When otherSubreddits
is provided, the provided subreddits will also be
unsubscribed from.
Implementation
Future<void> unsubscribe({List<SubredditRef>? otherSubreddits}) async {
final data = {
'action': 'unsub',
'sr_name': _subredditList(this, otherSubreddits),
};
await _throwOnInvalidSubreddit(() async =>
await reddit.post(apiPath['subscribe'], data, discardResponse: true));
}