cleaning up MORE typos from refactoring

src/sql/0-run-first/contributions.sql

@@ -29,12 +29,12 @@ DELETE
 FROM engineer_contributions
 WHERE id IN (SELECT bad_rows.id
              FROM engineer_contributions AS bad_rows
-                      INNER JOIN (SELECT engineer_contributions.`Project Number`, MAX(id) as min_id
+                      INNER JOIN (SELECT engineer_contributions.`ProjectNumber`, MAX(id) as min_id
                                   FROM engineer_contributions
-                                  GROUP BY engineer_contributions.`Project Number`
+                                  GROUP BY engineer_contributions.`ProjectNumber`
                                   HAVING count(*) > 1) AS good_rows
-                                 ON good_rows.`Project Number` =
-                                    bad_rows.`Project Number`
+                                 ON good_rows.`ProjectNumber` =
+                                    bad_rows.`ProjectNumber`
                                      AND good_rows.min_id <> bad_rows.id);
 
 ALTER TABLE engineer_contributions