Отключить полностью комментарии

в файле /gallery-recall/class_gallery.php находится код вывода комментариев, его удалите

можете удалить это

$comments = $wpdb->get_results("SELECT comments.* FROM $wpdb->comments AS comments "
                    . "WHERE comment_post_ID='$id_attach' "
                    . "AND comments.comment_ID NOT IN (SELECT comment_id FROM $wpdb->commentmeta WHERE meta_key = '_wp_trash_meta_status' AND meta_value ='1')"
                    . "ORDER BY comments.comment_ID ASC ");

$content .= '<h4 class="attach-title">'.__('Added comments','rcl-gallery').'</h4><div id="commentlist">';
		if($comments){
			foreach($comments as $comment){
				if($comment->comment_parent!=0) continue;
				$author_url = get_author_posts_url($comment->user_id);
				$content .= '<div class="comm-attach" id="comment-'.$comment->comment_ID.'">
				<div class="author-avatar"><a href="'.$author_url.'">'.get_avatar($comment->user_id, 40).'</a></div>
				<div class="comment-data">'.date("d.m.Y H:i", strtotime($comment->comment_date)).'</div><div class="comment-author"><a href="'.$author_url.'">'.$comment->comment_author.'</a></div>
				<p>'.$comment->comment_content.'</p>';
				//$content .= '<p align="right" class="answer-comment" data-comment="'.$comment->comment_ID.'"><a href="#">Ответить</a></p>';
				if($active_addons['rating-system']&&$rcl_options['rating_comment']==1) $content .= rcl_get_html_post_rating($comment->comment_ID,'comment');
				$content .= $this->get_childs_comment($comments, $comment->comment_ID);
				$content .= '<div id="new-answer-'.$comment->comment_ID.'"></div></div>';
			}
			$content .= '<div id="new-comment"></div>';
		}else{
			$content .= '<div id="new-comment"><p align="center">'.__('Comments not yet','rcl-gallery').'</p></div>';
		}
		$content .= '</div>
		<div id="comm-attach-form">';
		if($user_ID) $content .= '<h4 class="attach-title">'.__('The text of the comment','rcl-gallery').'</h4>
		<textarea id="comment-attach" name="comment-attach"></textarea>
					<input type="hidden" id="id-answer-comment" name="parent-comment" value="">
		<p align="right">'.rcl_get_button(__('Add comment','rcl-gallery'),'#',array('icon'=>false,'class'=>false,'id'=>'add-comment')).'</p>';
		else $content .= '<h4 class="attach-title" align="center">'.__('To comment, you must login','rcl-gallery').'</h4>';
		$content .= '</div>';

		$content .= '<input type="hidden" id="id-attach" value="'.$id_attach.'">
		</div>';