fetcher: Remove "total_requests" counter

Incremented, but not used for anything.

src/libostree/ostree-fetcher.c

@@ -72,7 +72,6 @@ struct OstreeFetcher
   GHashTable *output_stream_set; /* set<GOutputStream> */
   
   guint64 total_downloaded;
-  guint total_requests;
 
   /* Queue for libsoup, see bgo#708591 */
   GQueue pending_queue;
@@ -610,8 +609,6 @@ ostree_fetcher_request_uri_internal (OstreeFetcher         *self,
 
   g_assert_no_error (local_error);
 
-  self->total_requests++;
-
 out:
   g_object_unref (task);
 }