Temporarily remove the block miner for clique-based networks from CI testing (#1967).
Temporarily remove the block miner for clique-based networks from CI testing (#1967).

ethers-io/ethers.js,ethers-io/ethers.js,ethers-io/ethers.js,ethers-io/ethers.js,ethers-io/ethers.js,ethers-io/ethers.js,ethers-io/ethers.js