remove lock as lock held in caller

Author: nikhilsinhaparseable

src/handlers/http/modal/query/querier_rbac.rs

@@ -168,8 +168,6 @@ pub async fn add_roles_to_user(
     let userid = userid.into_inner();
     let roles_to_add = roles_to_add.into_inner();
 
-    let _guard = UPDATE_LOCK.lock().await;
-
     if !Users.contains(&userid) {
         return Err(RBACError::UserDoesNotExist);
     };
@@ -225,7 +223,7 @@ pub async fn remove_roles_from_user(
     let roles_to_remove = roles_to_remove.into_inner();
 
     let _guard = UPDATE_LOCK.lock().await;
-    
+
     if !Users.contains(&userid) {
         return Err(RBACError::UserDoesNotExist);
     };