fix(frontend): remove residual post thumbnail lazy path

src/Settings/DisplayPageGroups.php

@@ -209,7 +209,6 @@ trait DisplayPageGroups {
                 'thumb_priority'           => implode(',', $thumb['priority']),
                 'thumb_fallback'           => $thumb['fallback'],
                 'thumb_spare_images'       => $thumb['spare_images'],
-                'thumb_lazy'               => $thumb['lazy'],
                 'thumb_aspect_ratio'       => $thumb['aspect_ratio'],
                 'thumb_multi_enabled'      => $thumb['multi_enabled'],
                 'thumb_multi_count'        => $thumb['multi_count'],

src/Settings/PostDisplay.php

@@ -174,7 +174,6 @@ class PostDisplay {
             'aspect_ratio'     => $aspect_ratio,
             'multi_enabled'    => !empty($settings['thumb_multi_enabled']),
             'multi_count'      => max(2, min(6, (int) ($settings['thumb_multi_count'] ?? 3))),
-            'lazy'             => !isset($settings['thumb_lazy']) || !empty($settings['thumb_lazy']),
             'fit'              => in_array(sanitize_key((string) ($settings['list_thumb_fit'] ?? 'cover')), ['cover', 'contain'], true) ? sanitize_key((string) ($settings['list_thumb_fit'] ?? 'cover')) : 'cover',
             'slides_s'         => !isset($settings['list_thumb_slides_s']) || !empty($settings['list_thumb_slides_s']),
             'video_s'          => !isset($settings['list_thumb_video_s']) || !empty($settings['list_thumb_video_s']),