fix broken rounds exception (common large error log causing later connection problems)

Author: thabofletcher

queries/get_rounds_for_problem

@@ -2,8 +2,7 @@ SELECT
  r.round_id,
  r.name AS round_name,
  r.contest_id,
- (SELECT name FROM contest c WHERE c.contest_id = r.contest_id) AS contest_name,
- r.editorial_link
+ (SELECT name FROM contest c WHERE c.contest_id = r.contest_id) AS contest_name
 FROM
    problem p
 INNER JOIN component c ON c.problem_id = p.problem_id