removing outdated info

Author: idalithb

website/pages/en/quick-start.mdx

@@ -168,6 +168,4 @@ To save on gas costs, you can curate your subgraph in the same transaction you p
 
 Now, you can query your subgraph by sending GraphQL queries to your subgraph’s Query URL, which you can find by clicking the query button.
 
-- If you don't have your API key, you can query via the free, rate-limited development query URL, which can be used for development and staging.
-
 For more information about querying data from your subgraph, read [Querying The Graph](/querying/querying-the-graph/).