1152 Fix internal geocoder timeout

The timeout is due to heavy copying of polygons. Fixed by using a
different batch size for polygons and points as done in other parts of
the code.

services/table-geocoder/lib/internal_geocoder.rb

@@ -95,6 +95,8 @@ module CartoDB
           qualified_table_name,
           nil, # use default logger
           'InternalGeocoder::copy_results_to_table',
+          false, # do not capture exceptions,
+          batch_size
         )
       end # copy_results_to_table