feat: Delete legacy transaction confirmation code

ui/pages/confirmations/components/index.scss

@@ -7,7 +7,6 @@
 @import 'advanced-gas-fee-popover/advanced-gas-fee-inputs/base-fee-input/index';
 @import 'advanced-gas-fee-popover/advanced-gas-fee-inputs/priority-fee-input/index';
 @import 'advanced-gas-fee-popover/advanced-gas-fee-input-subtext/index';
-@import 'approve-content-card/index';
 @import 'confirmation-warning-modal/index';
 @import 'confirm-page-container/index';
 @import 'confirm/footer';

ui/pages/confirmations/confirm-transaction/confirm-token-transaction-switch.js

@@ -1,25 +1,11 @@
 import React from 'react';
-import PropTypes from 'prop-types';
 import { Switch, Route } from 'react-router-dom';
 import ConfirmTransactionSwitch from '../confirm-transaction-switch';
 
-export default function ConfirmTokenTransactionSwitch({ transaction }) {
+export default function ConfirmTokenTransactionSwitch() {
   return (
     <Switch>
       <Route path="*" component={ConfirmTransactionSwitch} />
     </Switch>
   );
 }
-
-ConfirmTokenTransactionSwitch.propTypes = {
-  transaction: PropTypes.shape({
-    chainId: PropTypes.string,
-    origin: PropTypes.string,
-    txParams: PropTypes.shape({
-      data: PropTypes.string,
-      to: PropTypes.string,
-      from: PropTypes.string,
-    }),
-    layer1GasFee: PropTypes.number,
-  }),
-};

ui/pages/confirmations/index.scss

@@ -1,7 +1,5 @@
 /** Please import your files in alphabetical order **/
-@import 'confirm-approve/index';
 @import 'confirm/index';
 @import 'confirmation/confirmation';
 @import 'send/send';
-@import 'token-allowance/index';
 @import './components/index'