Remove www prefix on filecoin.cloud

Author: BigLep

builder-cookbook/filecoin-pin/README.md

@@ -6,7 +6,7 @@ description: Pin IPFS content to Filecoin using familiar IPFS tools and workflow
 
 ## Status
 
-Filecoin Pin is currently **alpha software** running on the Filecoin Calibration testnet. As of 2025-10-15, it is undergoing active development and not yet recommended for production use. Please register for updates and GA announcement at [filecoin.cloud](https://www.filecoin.cloud/).
+Filecoin Pin is currently **alpha software** running on the Filecoin Calibration testnet. As of 2025-10-15, it is undergoing active development and not yet recommended for production use. Please register for updates and GA announcement at [filecoin.cloud](https://filecoin.cloud/).
 
 ## What is Filecoin Pin?