try to preserve tokenManager bytecode

contracts/interfaces/ITokenManager.sol

@@ -15,7 +15,6 @@ import { IFlowLimit } from './IFlowLimit.sol';
 interface ITokenManager is IBaseTokenManager, IOperator, IFlowLimit, IImplementation {
     error TokenLinkerZeroAddress();
     error NotService(address caller);
-    error ZeroTokenAddress();
     error NotSupported();
 
     /**

contracts/token-manager/TokenManager.sol

@@ -57,9 +57,9 @@ contract TokenManager is ITokenManager, Operator, FlowLimit, Implementation, Mul
     }
 
     /**
-     * @notice Reads the token address from the proxy.
-     * @dev This function is not supported when directly called on the implementation.
-     * It must be called by the proxy. It is included here so that the interace shows this function as existing, for better UX.
+     * @notice Reads the token address from the proxy.     
+     * @dev This function is not supported when directly called on the implementation. It
+     * must be called by the proxy.
      * @return tokenAddress_ The address of the token.
      */
     function tokenAddress() external view virtual returns (address) {
@@ -69,7 +69,6 @@ contract TokenManager is ITokenManager, Operator, FlowLimit, Implementation, Mul
     /**
      * @notice A function that returns the token id.
      * @dev This will only work when implementation is called by a proxy, which stores the tokenId as an immutable.
-     * It is included here so that the interace shows this function as existing, for better UX.
      * @return bytes32 The interchain token ID.
      */
     function interchainTokenId() public pure returns (bytes32) {
@@ -91,7 +90,6 @@ contract TokenManager is ITokenManager, Operator, FlowLimit, Implementation, Mul
      */
     function getTokenAddressFromParams(bytes calldata params_) external pure returns (address tokenAddress_) {
         (, tokenAddress_) = abi.decode(params_, (bytes, address));
-        if (tokenAddress_ == address(0)) revert ZeroTokenAddress();
     }
 
     /**

test/TokenManager.js

@@ -92,7 +92,7 @@ describe('Token Manager', () => {
             const proxyBytecodeHash = keccak256(proxyBytecode);
 
             const expected = {
-                london: '0x3b336208cc75ca67bdd39bdeed72871ce795e6e9cd28e20f811599ea51973ebf',
+                london: '0x8080880884e00735cc1a34bdf5c1ea6c023db60a01cfa1e951ca41ecf5fd8836',
             }[getEVMVersion()];
 
             expect(proxyBytecodeHash).to.be.equal(expected);