small refactoring

src/receive_imf.rs

@@ -3501,14 +3501,9 @@ async fn apply_out_broadcast_changes(
         let removed_id = lookup_key_contact_by_fingerprint(context, removed_fpr).await?;
         if removed_id == Some(from_id) {
             // The sender of the message left the broadcast channel
+            // Silently remove them without notifying the user
             chat::remove_from_chat_contacts_table(context, chat.id, from_id).await?;
-
-            return Ok(GroupChangesInfo {
-                better_msg: Some("".to_string()),
-                added_removed_id: None,
-                silent: true,
-                extra_msgs: vec![],
-            });
+            better_msg = Some("".to_string());
         } else if from_id == ContactId::SELF {
             if let Some(removed_id) = removed_id {
                 chat::remove_from_chat_contacts_table(context, chat.id, removed_id).await?;