Delete routes.dart

-import 'package:flutter/widgets.dart';
-import 'material.dart';
-
-class Get {
-  static to(BuildContext context, Widget page, {bool rebuildRoutes = false}) {
-    return Navigator.push(
-        context,
-        GetRoute(
-            opaque: rebuildRoutes, builder: (BuildContext context) => page));
-  }
-
-  static back(BuildContext context) {
-    return Navigator.pop(context);
-  }
-
-  static off(BuildContext context, Widget page, {bool rebuildRoutes = false}) {
-    return Navigator.pushReplacement(
-        context,
-        GetRoute(
-            opaque: rebuildRoutes, builder: (BuildContext context) => page));
-  }
-
-  static offAll(BuildContext context, Widget page, RoutePredicate predicate,
-      {bool rebuildRoutes = false}) {
-    return Navigator.pushAndRemoveUntil(
-        context,
-        GetRoute(
-            opaque: rebuildRoutes, builder: (BuildContext context) => page),
-        predicate);
-  }
-}