fix(contracts): make OVM_L1CrossDomainMessenger deploy AM-independent

packages/contracts/deploy/090-OVM_L1StandardBridge.deploy.ts

@@ -18,7 +18,6 @@ import {
 
 const deployFn: DeployFunction = async (hre) => {
   const { deployer } = await hre.getNamedAccounts()
-  const Lib_AddressManager = await getLiveContract(hre, 'Lib_AddressManager')
 
   // Set up a reference to the proxy as if it were the L1StandardBridge contract.
   const contract = await getLiveContract(hre, 'Proxy__OVM_L1StandardBridge', {
@@ -63,9 +62,8 @@ const deployFn: DeployFunction = async (hre) => {
   // Next we need to set the `messenger` address by executing a setStorage operation. We'll
   // check that this operation was correctly executed by calling `messenger()` and checking
   // that the result matches the value we initialized.
-  const l1CrossDomainMessengerAddress = await Lib_AddressManager.getAddress(
-    'Proxy__OVM_L1CrossDomainMessenger'
-  )
+  const l1CrossDomainMessenger = await getLiveContract(hre, 'Proxy__OVM_L1CrossDomainMessenger')
+  const l1CrossDomainMessengerAddress = l1CrossDomainMessenger.address
 
   // Critical error, should never happen.
   if (