Removed banner for subscriptions and cleaned up a bunch of unnecessary screen refreshes.

rtv/subscription.py

@@ -52,6 +52,10 @@ class SubscriptionPage(Page):
 
         self.active = False
 
+    def _draw_banner(self):
+        # Subscriptions can't be sorted, so disable showing the order menu
+        pass
+
     def _draw_item(self, win, data, inverted):
         n_rows, n_cols = win.getmaxyx()
         n_cols -= 1  # Leave space for the cursor in the first column