remove audit warning (#15629)

contracts/src/v0.8/shared/token/ERC20/BurnMintERC20.sol

@@ -13,7 +13,6 @@ import {IERC165} from "../../../vendor/openzeppelin-solidity/v4.8.3/contracts/ut
 
 /// @notice A basic ERC20 compatible token contract with burn and minting roles.
 /// @dev The total supply can be limited during deployment.
-/// @dev This contract has not been audited and is not yet approved for production use.
 contract BurnMintERC20 is IBurnMintERC20, IGetCCIPAdmin, IERC165, ERC20Burnable, AccessControl {
   error MaxSupplyExceeded(uint256 supplyAfterMint);
   error InvalidRecipient(address recipient);
@@ -153,7 +152,7 @@ contract BurnMintERC20 is IBurnMintERC20, IGetCCIPAdmin, IERC165, ERC20Burnable,
   /// @dev only the owner can call this function, NOT the current ccipAdmin, and 1-step ownership transfer is used.
   /// @param newAdmin The address to transfer the CCIPAdmin role to. Setting to address(0) is a valid way to revoke
   /// the role
-  function setCCIPAdmin(address newAdmin) public onlyRole(DEFAULT_ADMIN_ROLE) {
+  function setCCIPAdmin(address newAdmin) external onlyRole(DEFAULT_ADMIN_ROLE) {
     address currentAdmin = s_ccipAdmin;
 
     s_ccipAdmin = newAdmin;