contracts-bedrock: delete hardhat genesis tasks

These are no longer used, in favor of the `op-node` commands
that generate the genesis files instead.

contracts-bedrock: delete imports

.changeset/serious-deers-end.md

+---
+'@eth-optimism/contracts-bedrock': patch
+---
+
+Delete hardhat genesis tasks

packages/contracts-bedrock/tasks/genesis-l1.ts

-import fs from 'fs'
-
-import { ethers } from 'ethers'
-import { task, types } from 'hardhat/config'
-import { Genesis, State } from '@eth-optimism/core-utils'
-import '@eth-optimism/hardhat-deploy-config'
-
-task('genesis-l1', 'create a genesis config')
-  .addOptionalParam(
-    'outfile',
-    'The file to write the output JSON to',
-    'genesis.json'
-  )
-  .addOptionalParam(
-    'l1GenesisBlockTimestamp',
-    'Timestamp to embed in L1 genesis block, current time will be used if the timestamp is zero',
-    0,
-    types.int
-  )
-  .setAction(async (args, hre) => {
-    const { deployConfig } = hre
-    const alloc: State = {}
-
-    const l1GenesisBlockTimestamp =
-      args.l1GenesisBlockTimestamp === 0
-        ? Math.floor(Date.now() / 1000)
-        : args.l1GenesisBlockTimestamp
-
-    // Give each predeploy a single wei
-    for (let i = 0; i <= 0xff; i++) {
-      const buf = Buffer.alloc(2)
-      buf.writeUInt16BE(i, 0)
-      const addr = ethers.utils.hexConcat([
-        '0x000000000000000000000000000000000000',
-        ethers.utils.hexZeroPad(buf, 2),
-      ])
-      alloc[addr] = {
-        balance: '0x1',
-      }
-    }
-
-    const accounts = [
-      '0x14dC79964da2C08b23698B3D3cc7Ca32193d9955',
-      '0x15d34AAf54267DB7D7c367839AAf71A00a2C6A65',
-      '0x1CBd3b2770909D4e10f157cABC84C7264073C9Ec',
-      '0x23618e81E3f5cdF7f54C3d65f7FBc0aBf5B21E8f',
-      '0x2546BcD3c84621e976D8185a91A922aE77ECEc30',
-      '0x3C44CdDdB6a900fa2b585dd299e03d12FA4293BC',
-      '0x70997970C51812dc3A010C7d01b50e0d17dc79C8',
-      '0x71bE63f3384f5fb98995898A86B02Fb2426c5788',
-      '0x8626f6940E2eb28930eFb4CeF49B2d1F2C9C1199',
-      '0x90F79bf6EB2c4f870365E785982E1f101E93b906',
-      '0x976EA74026E726554dB657fA54763abd0C3a0aa9',
-      '0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc',
-      '0xBcd4042DE499D14e55001CcbB24a551F3b954096',
-      '0xFABB0ac9d68B0B445fB7357272Ff202C5651694a',
-      '0xa0Ee7A142d267C1f36714E4a8F75612F20a79720',
-      '0xbDA5747bFD65F08deb54cb465eB87D40e51B197E',
-      '0xcd3B766CCDd6AE721141F452C550Ca635964ce71',
-      '0xdD2FD4581271e230360230F9337D5c0430Bf44C0',
-      '0xdF3e18d64BC6A983f673Ab319CCaE4f1a57C7097',
-      '0xde3829a23df1479438622a08a116e8eb3f620bb5',
-      '0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266',
-    ]
-
-    for (const account of accounts) {
-      alloc[ethers.utils.getAddress(account)] = {
-        balance:
-          '0x200000000000000000000000000000000000000000000000000000000000000',
-      }
-    }
-
-    const genesis: Genesis = {
-      config: {
-        chainId: deployConfig.l1ChainID,
-        homesteadBlock: 0,
-        eip150Block: 0,
-        eip150Hash: ethers.constants.HashZero,
-        eip155Block: 0,
-        eip158Block: 0,
-        byzantiumBlock: 0,
-        constantinopleBlock: 0,
-        petersburgBlock: 0,
-        istanbulBlock: 0,
-        muirGlacierBlock: 0,
-        berlinBlock: 0,
-        londonBlock: 0,
-        clique: {
-          period: deployConfig.l1BlockTime,
-          epoch: 30000,
-        },
-      },
-      nonce: deployConfig.l1GenesisBlockNonce,
-      timestamp: ethers.BigNumber.from(l1GenesisBlockTimestamp).toHexString(),
-      extraData: ethers.utils.hexConcat([
-        ethers.constants.HashZero,
-        deployConfig.cliqueSignerAddress,
-        ethers.utils.hexZeroPad('0x', 65),
-      ]),
-      gasLimit: deployConfig.l1GenesisBlockGasLimit,
-      difficulty: deployConfig.l1GenesisBlockDifficulty,
-      mixHash: deployConfig.l1GenesisBlockMixHash,
-      coinbase: deployConfig.l1GenesisBlockCoinbase,
-      alloc,
-      number: deployConfig.l1GenesisBlockNumber,
-      gasUsed: deployConfig.l1GenesisBlockGasUsed,
-      parentHash: deployConfig.l1GenesisBlockParentHash,
-      baseFeePerGas: deployConfig.l1GenesisBlockBaseFeePerGas,
-    }
-
-    fs.writeFileSync(args.outfile, JSON.stringify(genesis, null, 2))
-  })

packages/contracts-bedrock/tasks/index.ts

-import './genesis-l1'
-import './genesis-l2'
 import './deposits'
 import './rekey'
 import './rollup-config'