fix: remove update check from the ui

it is no longer necessary

rust/src/cmd.rs

@@ -469,12 +469,4 @@ pub async fn list_patches(state: State<'_, Mutex<AppData>>, target: String) -> R
     let list = appd.patch_set.find_patches(target).map_err(|e| e.to_string())?;
 
     Ok(list)
-}
-
-#[tauri::command]
-pub async fn has_updated(state: State<'_, Mutex<AppData>>) -> Result<bool, ()> {
-    log::debug!("invoke: has_updated");
-
-    let appd = state.lock().await;
-    Ok(appd.state.has_updated)
 }