update de header logo mobile y update css

web/profiles/contrib/isa/themes/mef/templates/layout/includes/_header.html.twig

@@ -82,7 +82,6 @@
         <div class="nav-logo">
           <a href="/" title="MEF MInisterio de economia y finanzas logo" class="nav-logo__link">
             <picture>
-              <source media="(max-width: 1366px)" srcset="{{banner_url}}" data-lightMode="{{banner_url}}" data-darkMode="{{banner_url_dark}}">
               <img src="{{banner_url}}" data-lightMode="{{banner_url}}" data-darkMode="{{banner_url_dark}}" alt="MEF MInisterio de economia y finanzas logo" class="img-logo img-fluid">
             </picture>
           </a>