fix: fix in citation

Author: csae8092

templates/partials/base.j2

@@ -10,7 +10,6 @@
         <meta name="citation_date" content="2025">
         <meta name="citation_public_url" content="https://dig-ed-cat.acdh.oeaw.ac.at/" >
         <meta property="og:type" content="website">
-        <meta property="og:site_name" content="Catalogue Digital Editions">
         {% block page_description %}
         {% endblock page_description %}
         <meta name="google-site-verification" content="wqYmQKBKuo1Af851i5lGO3kJLp9qusgNES8lVBJU7_A" />

templates/partials/footer.j2

@@ -33,7 +33,7 @@
         <div class="row">
           <div>
             <span class="fs-6"><strong>How to cite</strong></span><br>
-            <p>Peter Andorfer / Greta Franzini: Catalogue Digital Editions. In: Catalogue Digital Editions. 2025. [<a href="https://dig-ed-cat.acdh.oeaw.ac.at/">https://dig-ed-cat.acdh.oeaw.ac.at/</a>]
+            <p>Peter Andorfer / Greta Franzini: Catalogue Digital Editions. 2025. [<a href="https://dig-ed-cat.acdh.oeaw.ac.at/">https://dig-ed-cat.acdh.oeaw.ac.at/</a>]
             </p>
           </div>
         </div>