Do not remove stuff from lists...

next update will take care of that. Not removing will avoid re-insertion
if aria2/RPC did not yet remove the item before the next update.

js/ctrls/download.js

@@ -52,17 +52,6 @@ function(
       d.followedFrom = null;
     }
     rpc.once(method, [d.gid], cb);
-
-    var lists = [scope.active, scope.waiting, scope.stopped], ind = -1, i;
-    for (var i = 0; i < lists.length; ++i) {
-      var list = lists[i];
-      var idx = list.indexOf(d);
-      if (idx < 0) {
-        continue;
-      }
-      list.splice(idx, 1);
-      return;
-    }
   }
 
   scope.restart = function(d) {