fix(nominatim): remove the factory, keep only the provider

Author: toutpt

src/nominatim/nominatim.js

@@ -4,7 +4,6 @@
 import osmNominatim from './nominatim.service';
 
 var osmNominatimModule = angular.module('osm.nominatim', [])
-.factory('osmNominatim', osmNominatim)
 .provider('osmNominatim', function osmNominatimProvider () {
     this.options = {
         url: 'https://nominatim.openstreetmap.org'