fix: md lint

content/tutorials/cross-chain-governance/20.L2-contract.md

@@ -17,7 +17,6 @@ Now that we have an address for the L1 governance contract, we can build, deploy
 2. For the purposes of this tutorial, we don't need the example smart contracts and deployment script files generated by `zksync-cli`.
    Run the following commands to remove them:
 
-
     ```sh
     rm -rf ./contracts/*
     rm -rf ./deploy/*