refactor: some clippy recommendations

crates/delta/src/routes/channels/permissions_set.rs

@@ -1,12 +1,11 @@
 use revolt_database::{
     util::{permissions::DatabasePermissionQuery, reference::Reference},
-    Channel, Database, User,
+    Database, User,
 };
 use revolt_models::v0;
 use revolt_permissions::{calculate_channel_permissions, ChannelPermission, Override};
 use revolt_result::{create_error, Result};
 use rocket::{serde::json::Json, State};
-use serde::Deserialize;
 
 /// # Set Role Permission
 ///