fix: no need to send email out, the wolves ID is enough

relates to #21

src/methods/discord.rs

@@ -35,7 +35,6 @@ pub mod account {
   #[derive(Debug, Deserialize, Serialize)]
   pub struct DiscordResult {
     discord: String,
-    email: String,
     wolves_id: String,
   }
 
@@ -59,7 +58,6 @@ pub mod account {
         if !accounts.is_empty() {
           let tmp = DiscordResult {
             discord,
-            email: item.mail,
             wolves_id: accounts[0].id_wolves.to_owned(),
           };