TBR: syncslides, Navigator fix.

Change-Id: If27845102e48be9cf58dd065da416c523efee58f
diff --git a/dart/lib/components/slidelist.dart b/dart/lib/components/slidelist.dart
index dfcf945..5fa2422 100644
--- a/dart/lib/components/slidelist.dart
+++ b/dart/lib/components/slidelist.dart
@@ -52,7 +52,7 @@
 
     return new IconButton(icon: 'action/delete', onPressed: () async {
       await appActions.removeDeck(deckState.deck.key);
-      Navigator.of(context).pop();
+      Navigator.pop(context);
     });
   }