ui: remove footer hints and floating feedback entry points

src/modules/energy/ElectricOverview.tsx

@@ -2,7 +2,6 @@ import { useEffect, useState } from 'react';
 import { BatteryCharging, Gauge, Wallet, CalendarClock } from 'lucide-react';
 import { BarChart, Bar, XAxis, YAxis, ResponsiveContainer, Cell, Tooltip, ReferenceLine } from 'recharts';
 import { fetchElectricOverview, type ElectricOverviewResponse } from './api';
-import RotatingFooterHint from '../../components/RotatingFooterHint';
 import { ErrorState, LoadingState, MetricTile, SurfaceCard } from '../../components/ui/surface';
 
 function fmtYuan(yuan: number) {
@@ -122,7 +121,7 @@ export default function ElectricOverview() {
           </BarChart>
         </ResponsiveContainer>
       </SurfaceCard>
-      <RotatingFooterHint />
+
     </div>
   );
 }