User config helper for internal geocoder too

server/extension/cdb_dataservices_server--0.5.1--0.5.0.sql

@@ -1,6 +1,8 @@
 --DO NOT MODIFY THIS FILE, IT IS GENERATED AUTOMATICALLY FROM SOURCES
 -- Complain if script is sourced in psql, rather than via CREATE EXTENSION
 \echo Use "ALTER EXTENSION cdb_dataservices_server UPDATE TO '0.5.0'" to load this file. \quit
+DROP FUNCTION IF EXISTS cdb_dataservices_server._get_internal_geocoder_config(text, text);
+
 CREATE TYPE cdb_dataservices_server._redis_conf_params AS (
     sentinel_master_id text,
     redis_host text,