Remove duplicate home link from tab order

Author: c-w

src/index.html

@@ -29,7 +29,7 @@
         <button type="button" class="navbar-toggle" id="navbar-dropdown" data-toggle="collapse" data-target=".navbar-collapse" aria-label="Navigation menu">
           <span class="glyphicon glyphicon-align-justify" id="menu-icon"></span>
         </button>
-        <a class="navbar-brand" href="#home-page">
+        <a class="navbar-brand" href="#home-page" tabindex="-1">
           <img class="img-responsive logo-brand" src="static/logo-1200x630.png" alt="Logo of Ascoderu" /></a>
       </div>