Propagate api_key changes from upstream geocoder

Ref: alexreisner/geocoder@773ac0f

lib/geocoder/lookups/concerns/here_lookup_default_methods.rb

@@ -7,37 +7,24 @@ def handle
     end
 
     def required_api_key_parts
-      ["app_id", "app_code"]
+      ["app_key"]
+    end
+
+    def supported_protocols
+      [:https]
     end
 
     private
 
     def query_url_here_options(query)
       options = {
-        app_id: api_key,
-        app_code: api_code,
+        api_key: configuration.api_key,
         language: (query.language || configuration.language)
       }
     end
 
-    def api_key
-      if (a = configuration.api_key)
-        return a.first if a.is_a?(Array)
-      end
-    end
-
-    def api_code
-      if (a = configuration.api_key)
-        return a.last if a.is_a?(Array)
-      end
-    end
-
     def domain
-      if configuration.cit
-        'cit.api.here.com'
-      else
-        'api.here.com'
-      end
+      'ls.hereapi.com'
     end
   end
 end