Remove Soverin (#2022)

_includes/sections/email-providers.html

@@ -117,42 +117,6 @@
     <p>Posteo allows users to <a href="https://posteo.de/en/help/does-posteo-offer-mailing-lists">set up their own mailing lists</a>. Each account can create one list for free.</p>
     </div>
   </div>
-  <div class="row mb-2">
-    <div class="col-lg-3 col-sm-12 pt-lg-5">
-      <img
-        src="/assets/img/svg/3rd-party/soverin.svg"
-        height="70"
-        width="200"
-        class="img-fluid d-block mr-auto ml-auto align-middle"
-        alt="Soverin">
-    </div>
-    <div class="col">
-    <h2 id="soverin" class="anchor"><a href="#soverin"><i class="fas fa-link anchor-icon"></i></a> Soverin {% include badge.html color="info" text="€29/y" %}</h2>
-    <p><strong><a href="https://soverin.net">Soverin.net</a></strong> is an email provider which focuses on being private, ad-free, and powered by sustainable energy. They have been in operation since <strong>2015</strong>. Soverin is based in <span class="flag-icon flag-icon-nl"></span> Amsterdam and does not have a free trial. Accounts start at 25 GB.</p>
-
-    <h5>{% include badge.html color="success" text="Domains and Aliases" %}</h5>
-    <p>Soverin lets users use their own domain. Soverin users can also use <a href="https://support.soverin.net/hc/en-us/articles/115004811093-How-can-I-setup-a-catch-all-on-my-domain-">catch-all</a> and <a href="https://support.soverin.net/hc/en-us/articles/115004811073-How-can-I-add-an-alias-to-my-domain-">aliases</a> for domains they own. Soverin also allows for <a href="https://support.soverin.net/hc/en-us/articles/115004811033-Do-support-the-plus-syntax-subaddressing-">subaddressing</a>, which is useful for users who don't want to purchase a domain.</p>
-
-    <h5>{% include badge.html color="success" text="Payment Methods" %}</h5>
-    <p>Soverin accepts Bitcoin as payment. They also accept credit/debit cards, PayPal, and the Netherlands-specific payment gateway iDEAL.</p>
-
-    <h5>{% include badge.html color="success" text="Account Security" %}</h5>
-    <p>Soverin supports <a href="https://en.wikipedia.org/wiki/Time-based_One-time_Password_Algorithm">TOTP</a> two factor authentication <a href="https://support.soverin.net/hc/en-us/articles/360008819553-Setting-up-2-Factor-Authentication-2FA-Webmail-only">for webmail only</a>. They do not allow <a href="https://en.wikipedia.org/wiki/Universal_2nd_Factor">U2F</a> security key authentication.</p>
-
-    <h5>{% include badge.html color="warning" text="Data Security" %}</h5>
-    <p>Soverin has <a href="https://support.soverin.net/hc/en-us/articles/115004810713-Technical-details-about-Soverin">encryption at rest</a> however it doesn't appear to be "zero access", meaning it is technically possible for them to decrypt the data they have.</p>
-    <p>Soverin also uses the standard <a href="https://en.wikipedia.org/wiki/CalDAV">CalDAV</a> and <a href="https://en.wikipedia.org/wiki/CardDAV">CardDAV</a> protocols for calendars and contacts, which do not support E2EE. A <a href="/software/calendar-contacts/">standalone option</a> may be more appropriate.</p>
-
-    <h5>{% include badge.html color="success" text="Email Encryption" %}</h5>
-    <p>Soverin has integrated encryption in their webmail, which simplifies sending messages to users. However, Soverin has not integrated a <a href="https://wiki.gnupg.org/WKD">Web Key Directory (WKD)</a> for users on their platform.<p>
-
-    <h5>{% include badge.html color="danger" text=".onion Service" %}</h5>
-    <p>Soverin does not operate a .onion service.</p>
-
-    <h5>{% include badge.html color="info" text="Extra Functionality" %}</h5>
-    <p>Soverin also providers users with space for a personal webpage.</p>
-    </div>
-  </div>
   <div class="row mb-2">
     <div class="col-lg-3 col-sm-12 pt-lg-5">
       <img