Remove, or unfollow, current twitter friend. Wrapper function for destroy version of follow_user.
post_unfollow_user(user, token = NULL)
Screen name or user id of target user.
OAuth token. By default token = NULL
fetches a non-exhausted token from an environment
variable tokens.
Other post: post_favorite
,
post_follow
, post_friendship
,
post_mute
, post_tweet