refactor: simplify solar power chart and remove energy bar

client/src/App.js

@@ -154,18 +154,9 @@ function SolarPower({end, duration}) {
 			/>
 
 			<YAxis
-				yAxisId='right'
-				domain={[0, 10]}
-				orientation='right'
-				hide={true}
-				width={35}
-			/>
-			<YAxis
-				yAxisId='left'
 				domain={[0, 6000]}
 				width={35}
-				tickCount={6}
+				ticks={['0', '1k', '2k', '3k', '4k', '5k', '6k']}
-				tickFormatter={(tick) => tick === 0 ? 0 : (tick / 1000) + 'K'}
 			/>
 
 			<CartesianGrid strokeDasharray='3 3'/>
@@ -179,15 +170,6 @@ function SolarPower({end, duration}) {
 				<Label value='Midnight' offset={7} position='top' fill='blue' />
 			</ReferenceLine>
 
-			<Bar
-				yAxisId='right'
-				type='monotone'
-				dataKey='lifetime_energy'
-				name='Energy'
-				fill='green'
-				isAnimationActive={false}
-			/>
-
 			<Line
 				yAxisId='left'
 				type='monotone'