Remove extra h1 from landing pages (#17736)

src/current/_includes/landing-page.md

@@ -1,7 +1,6 @@
 {% assign page_version = page.version.version | replace: site.versions["stable"], "stable" | replace: site.versions["dev"], "dev" %}
 <div class="mb-xl-5 bg-cover bg-cover__bg-early-3-1">
     <div class="p-2 p-md-5">
-    <h1 class="m-0 text-white">{{ page.title }}</h1>
     <p class="mt-0 pb-4 text-white">{{ page.summary }}</p>
       <div class="row d-lg-flex mx-0">
       {% for card in site.data.cards.[page.cards_section] %}