清 single/home 残层：删 sidebar prepend 与 author-bar query-var

去掉 generic sidebar 的 prepend patch、author-bar ambient 回退，
以及 homepage section 多余 wrapper，保持主线闭环更干净。

inc/helpers/aksrt-homepage.php

@@ -776,20 +776,10 @@ if (!function_exists('aksrt_homepage_render_section')) {
 			return;
 		}
 
-		ob_start();
+		// Fixed homepage owns these sections directly.
+		// Keep the existing hero/banner templates as section implementations,
+		// but do not re-wrap them in a freeform module bridge.
 		get_template_part('templates/parts/home-modules/module', $type);
-		$html = trim((string) ob_get_clean());
-		if ($html === '') {
-			return;
-		}
-
-		$class = $type === 'hero'
-			? 'aksrt-homepage__hero home-modules home-modules--fullbleed'
-			: 'aksrt-homepage__banner home-modules';
-
-		echo '<div class="' . esc_attr($class) . '">';
-		echo $html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
-		echo '</div>';
 	}
 }