onscreen/native: Fix typo in log message "the the"

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2357>

src/backends/native/meta-onscreen-native.c

@@ -2079,7 +2079,7 @@ init_secondary_gpu_state (MetaRendererNative  *renderer_native,
 
       g_warning ("Secondary GPU initialization failed (%s). "
                  "Falling back to GPU-less mode instead, so the "
-                 "the secondary monitor may be slow to update.",
+                 "secondary monitor may be slow to update.",
                  local_error->message);
 
       renderer_gpu_data->secondary.copy_mode =