lib/Github/Api/PullRequest/Comments.php
public function remove($username, $repository, $comment)
    {
        return $this->delete('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/pulls/comments/'.rawurlencode($comment));
    }
public function remove($username, $repository, $comment)
    {
        return $this->delete('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/pulls/comments/'.rawurlencode($comment));
    }
public function remove ( $ username , $ repository , $ comment ) { return $ this -> delete ( '/repos/' . rawurlencode ( $ username ) . '/' . rawurlencode ( $ repository ) . '/pulls/comments/' . rawurlencode ( $ comment ) ) ; }
Delete a pull request comment by the username, repository and comment id.

@link https://developer.github.com/v3/pulls/comments/#delete-a-comment

@param string $username   the username
@param string $repository the repository
@param int    $comment    the comment id

@return string
Delete a pull request comment by the username repository and comment id .