remove useless 'format' calls

cosmic-applet-network/src/app.rs

@@ -522,7 +522,7 @@ impl cosmic::Application for CosmicNetworkApplet {
                             );
                         }
                         ActiveConnectionState::Activated => btn_content.push(
-                            text(format!("{}", fl!("connected")))
+                            text(fl!("connected").to_string())
                                 .size(14)
                                 .horizontal_alignment(Horizontal::Right)
                                 .vertical_alignment(Vertical::Center)

cosmic-applet-notifications/src/main.rs

@@ -521,6 +521,6 @@ fn duration_ago_msg(notification: &Notification) -> String {
             fl!("minutes-ago", HashMap::from_iter(vec![("duration", min)]))
         }
     } else {
-        format!("")
+        String::new()
     }
 }