Removed the word Beta from site title

ref-test/app/admin/templates/admin/components/navbar.html

@@ -1,6 +1,6 @@
 <nav class="navbar fixed-top navbar-expand-md navbar-dark bg-dark">
     <div class="container">
-        <a href="{{ url_for('admin._home') }}" class="navbar-brand mb-0 h1">RefTest (Beta) | Admin</a>
+        <a href="{{ url_for('admin._home') }}" class="navbar-brand mb-0 h1">RefTest | Admin</a>
         <button
             class="navbar-toggler"
             type="button"