Use passed-in lat long in geocode.php

Don't rewrite the lat-long for a location in geocode.php.

actions/geocode.php

@@ -52,12 +52,7 @@ class GeocodeAction extends Action
         }
         $this->lat = $this->trimmed('lat');
         $this->lon = $this->trimmed('lon');
-        $location = Location::fromLatLon($this->lat, $this->lon);
-        if ($location) {
-            $this->location = Location::fromId($location->location_id, $location->location_ns);
-            $this->lat = $this->location->lat;
-            $this->lon = $this->location->lon;
-        }
+        $this->location = Location::fromLatLon($this->lat, $this->lon);
         return true;
     }