remove alternate_ from optional coordinate arguments
remove alternate_ from optional coordinate arguments

FanaHOVA/geocoder,TrangPham/geocoder,Devetzis/geocoder,AndyDangerous/geocoder,andreamazz/geocoder,sr-education/geocoder,alexreisner/geocoder,mdebo/geocoder,eugenehp/ruby-geocoder,tortuba/geocoder,gogovan/geocoder-olleh,mveer99/geocoder,guavapass/geocoder,moofish32/geocoder,gogovan/geocoder-olleh,malandrina/geocoder,boone/geocoder,mehlah/geocoder,aceunreal/geocoder,ankane/geocoder,davydovanton/geocoder,brian-ewell/geocoder,GermanDZ/geocoder,jaigouk/geocoder-olleh,donbobka/geocoder,jgrciv/geocoder,tiramizoo/geocoder,rayzeller/geocoder,sideci-sample/sideci-sample-geocoder,jaigouk/geocoder-olleh,rios1993/geocoder,3mundi/geocoder,StudioMelipone/geocoder,sjaveed/geocoder,epyatopal/geocoder,rdlugosz/geocoder