contracts-bedrock: more cleanup

packages/contracts-bedrock/.gas-snapshot

@@ -418,7 +418,7 @@ SequencerFeeVault_Test:test_withdraw_succeeds() (gas: 163228)
 SetPrevBaseFee_Test:test_setPrevBaseFee_succeeds() (gas: 11515)
 StandardBridge_Stateless_Test:test_isCorrectTokenPair_succeeds() (gas: 49936)
 StandardBridge_Stateless_Test:test_isOptimismMintableERC20_succeeds() (gas: 33072)
-SystemConfig_Initialize_TestFail:test_initialize_lowGasLimit_reverts() (gas: 148894)
+SystemConfig_Initialize_TestFail:test_initialize_lowGasLimit_reverts() (gas: 148858)
 SystemConfig_Setters_TestFail:test_setBatcherHash_notOwner_reverts() (gas: 10546)
 SystemConfig_Setters_TestFail:test_setGasConfig_notOwner_reverts() (gas: 10622)
 SystemConfig_Setters_TestFail:test_setGasLimit_notOwner_reverts() (gas: 10615)

packages/contracts-bedrock/contracts/L1/SystemConfig.sol

@@ -21,14 +21,12 @@ contract SystemConfig is OwnableUpgradeable, Semver {
      * @custom:value GAS_LIMIT            Represents an update to gas limit on L2.
      * @custom:value UNSAFE_BLOCK_SIGNER  Represents an update to the signer key for unsafe
      *                                    block distrubution.
-     * @custom:value RESOURCE_CONFIG      Represents an update to the resource config.
      */
     enum UpdateType {
         BATCHER,
         GAS_CONFIG,
         GAS_LIMIT,
-        UNSAFE_BLOCK_SIGNER,
-        RESOURCE_CONFIG
+        UNSAFE_BLOCK_SIGNER
     }
 
     /**
@@ -269,14 +267,14 @@ contract SystemConfig is OwnableUpgradeable, Semver {
     }
 
     /**
-     * @notice An external setter for the resource config.
+     * @notice An external setter for the resource config. In the future, this
+     *         method may emit an event that the `op-node` picks up for when the
+     *         resource config is changed.
+     *
      * @param _config The new resource config values.
      */
     function setResourceConfig(ResourceConfig memory _config) external onlyOwner {
         _setResourceConfig(_config);
-
-        bytes memory data = abi.encode(_config);
-        emit ConfigUpdate(VERSION, UpdateType.RESOURCE_CONFIG, data);
     }
 
     /**

packages/contracts-bedrock/deploy/019-SystemDictatorInit.ts

@@ -100,6 +100,8 @@ const deployFn: DeployFunction = async (hre) => {
       ),
       gasLimit: hre.deployConfig.l2GenesisBlockGasLimit,
       unsafeBlockSigner: hre.deployConfig.p2pSequencerAddress,
+      // The resource config is not exposed to the end user
+      // to simplify deploy config. It may be introduced in the future.
       resourceConfig: {
         maxResourceLimit: 20_000_000,
         elasticityMultiplier: 10,