fix: remove duplicate backtest history section

src/frontend/src/routes/bot/[id]/backtest/+page.svelte

@@ -228,7 +228,6 @@
 										<span class="result-value negative">{backtest.result.max_drawdown.toFixed(2)}%</span>
 									</div>
 								</div>
-					</div>
 								{#if backtest.result.trades && backtest.result.trades.length > 0}
 									<div class="trades-inline">
 										<h4>Trade History</h4>
@@ -246,6 +245,7 @@
 										</div>
 									</div>
 								{/if}
+							{/if}
 							{#if backtest.status === 'running'}
 								<div class="progress-container">
 									<div class="progress-bar">
@@ -259,8 +259,6 @@
 					{/each}
 				</div>
 			{/if}
-		</section>
-
 		{#if selectedBacktest}
 			<section class="chart-section">
 				<div class="chart-header">