-(AlfrescoRequest *) deleteCommentFromNode:(AlfrescoNode *)node
        comment:(AlfrescoComment *)comment
        completionBlock:(AlfrescoBOOLCompletionBlock)completionBlock - deletes a
      comment.
    Parameters
- (AlfrescoNode *) node
 - The node to which the comment is attached.
 - (AlfrescoComment *) comment
 - The comment to be deleted.
 - (AlfrescoBOOLCompletionBlock) completionBlock
 - The block that is called on completion of the operation. The completion block has the format typedef void (^AlfrescoBOOLCompletionBlock)(BOOL succeeded, NSError *error).
 
Returns
(AlfrescoRequest *)
Example