remove unused dep; cargo clippy

src/tera/mod.rs

@@ -7,9 +7,9 @@ use rocket::{
     form::Form,
     fs::FileServer,
     get,
-    http::{Cookie, Status},
+    http::Cookie,
     post,
-    request::{FlashMessage, FromRequest, Outcome},
+    request::FlashMessage,
     response::{Flash, Redirect},
     routes,
     time::{Duration, OffsetDateTime},
@@ -30,7 +30,6 @@ use crate::{
     },
     SCHECKBUCH,
 };
-use base64::alphabet::STANDARD;
 
 pub(crate) mod admin;
 mod auth;