Address a couple of warnings from type-check

Author: Adamj1232

packages/core/src/index.ts

@@ -32,7 +32,6 @@ import {
 } from './store/actions.js'
 import type { PatchedEIP1193Provider } from '@web3-onboard/transaction-preview'
 import { getBlocknativeSdk } from './services.js'
-import { defaultBnIcon } from './icons/index.js'
 
 const API = {
   connectWallet,

packages/core/src/views/account-center/Maximized.svelte

@@ -220,12 +220,6 @@
     margin-top: 12px;
     color: var(--text-color);
   }
-
-  .powered-by {
-    color: var(--onboard-gray-400, var(--gray-400));
-    font-size: var(--onboard-font-size-7, var(--font-size-7));
-    line-height: var(--onboard-font-line-height-3, var(--font-line-height-3));
-  }
 </style>
 
 {#if disconnectConfirmModal}