style: table hover bg, remove description in billing

src/global.less

@@ -276,7 +276,6 @@ body {
       border-radius: var(--table-td-radius);
 
       > td {
-        background-color: unset !important;
         border-bottom: 1px solid var(--ant-color-split);
       }
     }

src/pages/billing/index.tsx

@@ -1,6 +1,6 @@
 import { IconFont } from '@gpustack/core-ui';
 import { useIntl } from '@umijs/max';
-import { Button, Result, Typography } from 'antd';
+import { Button, Result } from 'antd';
 import PageBox from '../_components/page-box';
 
 // OSS-only upsell page for the billing module. The real Billing UI ships
@@ -38,7 +38,6 @@ const Billing: React.FC = () => {
             />
           }
           title={intl.formatMessage({ id: 'billing.upsell.title' })}
-          subTitle={intl.formatMessage({ id: 'billing.upsell.subtitle' })}
           extra={
             <div
               style={{
@@ -47,7 +46,7 @@ const Billing: React.FC = () => {
                 textAlign: 'left'
               }}
             >
-              <Typography.Title level={5} style={{ marginBottom: 12 }}>
+              {/* <Typography.Title level={5} style={{ marginBottom: 12 }}>
                 {intl.formatMessage({
                   id: 'billing.upsell.featuresTitle'
                 })}
@@ -58,8 +57,8 @@ const Billing: React.FC = () => {
                     {intl.formatMessage({ id })}
                   </li>
                 ))}
-              </ul>
+              </ul> */}
-              <div style={{ textAlign: 'center' }}>
+              <div style={{ textAlign: 'center', marginTop: 56 }}>
                 <Button
                   type="primary"
                   href="https://gpustack.ai/enterprise"