Don't register the media serving route (they are now served with other static files)

And remove some unused imports

src/main.rs

@@ -100,7 +100,6 @@ fn main() {
             routes::medias::details,
             routes::medias::delete,
             routes::medias::set_avatar,
-            routes::medias::static_files,
 
             routes::notifications::paginated_notifications,
             routes::notifications::notifications,

src/routes/medias.rs

@@ -1,9 +1,9 @@
 use guid_create::GUID;
 use multipart::server::{Multipart, save::{SavedData, SaveResult}};
-use rocket::{Data, http::ContentType, response::{NamedFile, Redirect}};
+use rocket::{Data, http::ContentType, response::Redirect};
 use rocket_contrib::Template;
 use serde_json;
-use std::{fs, path::{Path, PathBuf}};
+use std::fs;
 use plume_models::{db_conn::DbConn, medias::*, users::User};
 
 #[get("/medias")]