[fractal] Remove leftover debug println

[Daniel Garcia Moreno <danigm src gnome org>]

commit 8ed4ed3d086e80f681efbe88494cb4968e71cb8d
Author: Daniel García Moreno <dani danigm net>
Date:   Fri Aug 21 14:15:39 2020 +0200

    Remove leftover debug println

 fractal-gtk/src/widgets/room_settings.rs | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/fractal-gtk/src/widgets/room_settings.rs b/fractal-gtk/src/widgets/room_settings.rs
index b6ce7b6e..d1d4ae3a 100644
--- a/fractal-gtk/src/widgets/room_settings.rs
+++ b/fractal-gtk/src/widgets/room_settings.rs
@@ -729,7 +729,6 @@ impl RoomSettings {
             .expect("Can't find room_settings_notification_switch in ui file.");
 
         if let Some(handler) = &self.switch_handler {
-            println!("handler block");
             switch.block_signal(&handler);
         }
 
@@ -737,7 +736,6 @@ impl RoomSettings {
         switch.set_sensitive(sensitive);
 
         if let Some(handler) = &self.switch_handler {
-            println!("handler unblock");
             switch.unblock_signal(&handler);
         }
     }