Revert "chore: change default test url"

This reverts commit a7cf968d04.

src-tauri/src/core/clash_api.rs

@@ -52,7 +52,7 @@ pub async fn get_proxy_delay(
     let (url, headers) = clash_client_info()?;
     let url = format!("{url}/proxies/{name}/delay");
 
-    let default_url = "http://www.apple.com/library/test/success.html";
+    let default_url = "http://1.1.1.1";
     let test_url = test_url
         .map(|s| if s.is_empty() { default_url.into() } else { s })
         .unwrap_or(default_url.into());