Apply fixes from StyleCI

Author: jbelien

Geo6.php

@@ -20,7 +20,6 @@
 use Geocoder\Model\Address;
 use Geocoder\Model\AddressBuilder;
 use Geocoder\Model\AddressCollection;
-use Geocoder\Model\Country;
 use Geocoder\Provider\Provider;
 use Geocoder\Query\GeocodeQuery;
 use Geocoder\Query\ReverseQuery;