Revert "update: 修复Rating中 MailTo 的拉起方法"

This reverts commit c9b4385a4c.

Runtime/GuruRating/Runtime/Code/GuruRating.cs

@@ -106,12 +106,6 @@ namespace Guru
             if (string.IsNullOrEmpty(body)) body = GetDefaultMailBody();
             
             string url = $"mailto:{email}&subject={EscapeUrl(subject)}&body={EscapeUrl(body)}";
-#if UNITY_ANDROID
-            url =
-                $"https://mail.google.com/mail/?view=cm&fs=1&to={email}&su={EscapeUrl(subject)}&body={EscapeUrl(body)}"; // Call Gmail
-#elif UNITY_IOS
-            url = $"mailto:?to={email}&subject={EscapeUrl(subject)}&body={EscapeUrl(body)}";
-#endif
             Application.OpenURL(url);
         }