feat(perms): consistently throw correct permissions

src/routes/servers/ban_remove.rs

@@ -1,16 +1,12 @@
-use revolt_quark::{models::User, perms, Db, EmptyResponse, Error, Permission, Ref, Result};
+use revolt_quark::{models::User, perms, Db, EmptyResponse, Permission, Ref, Result};
 
 #[delete("/<server>/bans/<target>")]
 pub async fn req(db: &Db, user: User, server: Ref, target: Ref) -> Result<EmptyResponse> {
     let server = server.as_server(db).await?;
-    if !perms(&user)
+    perms(&user)
         .server(&server)
-        .calc(db)
-        .await
-        .can_ban_members()
-    {
-        return Error::from_permission(Permission::BanMembers);
-    }
+        .throw_permission(db, Permission::BanMembers)
+        .await?;
 
     let ban = target.as_ban(db, &server.id).await?;
     db.delete_ban(&ban.id).await.map(|_| EmptyResponse)