[libgweather/wjt/find_nearest_city-unused-variable] location: Remove unused world variable

[Will Thompson <wjt src gnome org>]

commit 3bfe9d60e1365c9fb28c4d64dc93d2cfe1cdf83b
Author: Will Thompson <will willthompson co uk>
Date:   Wed Dec 29 10:56:09 2021 +0000

    location: Remove unused world variable
    
    Prior to 248e701f ("Remove nullable instance arguments"), this variable
    was used if the instance argument is NULL.
    
    Now it is conceptually unused. Unfortunately -Wunused does not report it
    as such because it *is* used by the g_autoptr() cleanup function.

 libgweather/gweather-location.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/libgweather/gweather-location.c b/libgweather/gweather-location.c
index 3a174c53..5bdd5df0 100644
--- a/libgweather/gweather-location.c
+++ b/libgweather/gweather-location.c
@@ -687,7 +687,6 @@ gweather_location_find_nearest_city (GWeatherLocation *loc,
                                      double lat,
                                      double lon)
 {
-    g_autoptr (GWeatherLocation) world = NULL;
     /* The data set really isn't too big. Don't concern ourselves
      * with a proper nearest neighbors search. Instead, just do
      * an O(n) search. */