Remove iOVM_DeployerWhitelist

packages/contracts/contracts/optimistic-ethereum/OVM/predeploys/OVM_DeployerWhitelist.sol

 // SPDX-License-Identifier: MIT
 pragma solidity >0.5.0 <0.8.0;
 
-/* Interface Imports */
-import { iOVM_DeployerWhitelist } from "../../iOVM/predeploys/iOVM_DeployerWhitelist.sol";
-
 /**
  * @title OVM_DeployerWhitelist
  * @dev The Deployer Whitelist is a temporary predeploy used to provide additional safety during the
@@ -13,7 +10,7 @@ import { iOVM_DeployerWhitelist } from "../../iOVM/predeploys/iOVM_DeployerWhite
  *
  * Runtime target: OVM
  */
-contract OVM_DeployerWhitelist is iOVM_DeployerWhitelist {
+contract OVM_DeployerWhitelist {
 
     /**********************
      * Contract Constants *

packages/contracts/contracts/optimistic-ethereum/iOVM/predeploys/iOVM_DeployerWhitelist.sol

-// SPDX-License-Identifier: MIT
-pragma solidity >0.5.0 <0.8.0;
-
-/**
- * @title iOVM_DeployerWhitelist
- */
-interface iOVM_DeployerWhitelist {
-
-    /********************
-     * Public Functions *
-     ********************/
-
-    function initialize(address _owner, bool _allowArbitraryDeployment) external;
-    function owner() external returns (address _owner);
-    function setWhitelistedDeployer(address _deployer, bool _isWhitelisted) external;
-    function setOwner(address _newOwner) external;
-    function setAllowArbitraryDeployment(bool _allowArbitraryDeployment) external;
-    function enableArbitraryContractDeployment() external;
-    function isDeployerAllowed(address _deployer) external returns (bool _allowed);
-}