feat: remove code owners

Author: lionellbriones

.github/CODEOWNERS

@@ -116,7 +116,6 @@ ui/components/multichain/account-list-item-menu/ @MetaMask/accounts-engineers @M
 
 # Web3Auth / Onboarding
 ui/pages/onboarding-flow              @MetaMask/web3auth
-ui/components/app/shield-entry-modal  @MetaMask/web3auth
 
 # Confirmations team to own code for confirmations on UI.
 app/scripts/controller-init/confirmations                         @MetaMask/confirmations