Document mentioning of unmet criteria when closing candidate PRs

ec/README.md

@@ -193,6 +193,7 @@ Before the weekend with the nomination deadline, send a reminder:
 ## 2024-10-02 Wed: Candidate finalisation and reminder
 
 - Close all PRs of candidates that didn't meet the criteria
+  with a comment mentioning the unmet criteria.
 
 - Decide with the EC on which (if any) candidates have a conflict of interest
   and update the source for `reminder2` with the result.

ec/todo.md

@@ -1,4 +1,3 @@
-- Make sure people know the reason why somebody didn't become a candidate
 - Maybe no need to use different repos for every election, can just create separate branches
   - This way we also kind of have a canonical source for voter ids, people don't need to update it every year!
   - Although, we need to regenerate the voters.json _without_ overriding older entries then