Part-revert reopened points change from df6e9dee

For some reason, in a sync with upstream Phabricator, the 'reopened
points today' path was totally commented out. Reverting just this change
makes reopened-task tracking work again.

Differential Revision: https://phabricator.collabora.co.uk/D484

src/storage/SprintColumnTransaction.php

@@ -63,7 +63,7 @@ final class SprintColumnTransaction {
             break;
           case 'reopen':
             $this->reopenedTasksToday($date, $dates);
-           // $this->reopenedPointsToday($date, $points, $dates);
+            $this->reopenedPointsToday($date, $points, $dates);
             break;
         }
       }