Revert "chore: change default test url"

This reverts commit a7cf968d04.

src/components/setting/mods/misc-viewer.tsx

@@ -189,7 +189,7 @@ export const MiscViewer = forwardRef<DialogRef>((props, ref) => {
             spellCheck="false"
             sx={{ width: 250 }}
             value={values.defaultLatencyTest}
-            placeholder="http://www.apple.com/library/test/success.html"
+            placeholder="http://1.1.1.1"
             onChange={(e) =>
               setValues((v) => ({ ...v, defaultLatencyTest: e.target.value }))
             }