chore: remove duplicate localservice preflight defs

apps/desktop/src-tauri/src/rustdesk.rs

@@ -665,41 +665,6 @@ fn ensure_localservice_writable_preflight() -> Result<(), String> {
     }
 }
 
-fn can_write_dir(dir: &Path) -> bool {
-    if fs::create_dir_all(dir).is_err() {
-        return false;
-    }
-    let probe = dir.join(".raven_acl_probe");
-    match OpenOptions::new()
-        .create(true)
-        .write(true)
-        .truncate(true)
-        .open(&probe)
-    {
-        Ok(mut file) => {
-            let result = file.write_all(b"ok").is_ok();
-            let _ = fs::remove_file(&probe);
-            result
-        }
-        Err(_) => false,
-    }
-}
-
-fn ensure_localservice_writable_preflight() -> Result<(), String> {
-    let dir = PathBuf::from(LOCAL_SERVICE_CONFIG);
-    if can_write_dir(&dir) {
-        return Ok(());
-    }
-    log_event("Tentando corrigir ACL do perfil LocalService via UAC (preflight)...");
-    fix_localservice_acl()?;
-    if can_write_dir(&dir) {
-        log_event("ACL do LocalService ajustada com sucesso.");
-        Ok(())
-    } else {
-        Err("continua sem permissão para LocalService (após preflight)".into())
-    }
-}
-
 fn can_write_dir(dir: &Path) -> bool {
     if fs::create_dir_all(dir).is_err() {
         return false;