Simplify `elections_to_list` logic
Simplify `elections_to_list` logic

The initial check that this is a site without many elections is
pointless in our use case – we'll never want to show all elections
covered by this site on a person view

DemocracyClub/yournextrepresentative,DemocracyClub/yournextrepresentative,DemocracyClub/yournextrepresentative