remove MapitGeocoder class and fall back on ONSPD
remove MapitGeocoder class and fall back on ONSPD

chris48s/UK-Polling-Stations,DemocracyClub/UK-Polling-Stations,chris48s/UK-Polling-Stations,chris48s/UK-Polling-Stations,DemocracyClub/UK-Polling-Stations,DemocracyClub/UK-Polling-Stations