/* Карточки постов в ленте */
.t-feed .post-card__date,
.t-feed .t-feed__date,
.t-feed [itemprop="datePublished"],
.t-feed time { display: none !important; }

/* Внутри страницы поста */
.t-feed-post .post__date,
.t-feed-post [itemprop="datePublished"],
.t-feed-post time { display: none !important; }