ui: remove footer hints and floating feedback entry points

src/modules/energy/HydrogenOverview.tsx

@@ -1,5 +1,4 @@
 import { useCallback, useEffect, useRef, useState } from 'react';
-import RotatingFooterHint from '../../components/RotatingFooterHint';
 import { fetchHydrogenOverview, type HydrogenOverviewResponse } from './api';
 import { DistributionCharts } from './hydrogen-overview/components/DistributionCharts';
 import { HydrogenOverviewSkeleton } from './hydrogen-overview/components/HydrogenOverviewSkeleton';
@@ -99,7 +98,6 @@ export default function HydrogenOverview() {
       <StationSummaryTable stations={stations} />
       <CustomerSummaryTable customers={customers} />
 
-      <RotatingFooterHint />
       <RefreshOverlay refreshing={refreshing} hasData={Boolean(data)} />
     </div>
   );