Remove national flags from the language select.(Solution 2) (#825)

* Remove national flags from the language select.

* Removed flag-icon-css.

* Removed the line break for old language select.

_includes/nav.html

@@ -75,6 +75,19 @@
         </li>
       </ul>
       <ul class="navbar-nav">
+        <li class="nav-item dropdown">
+          <a class="nav-link dropdown-toggle" href="#" id="browserDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
+            Language
+          </a>
+          <div class="dropdown-menu" aria-labelledby="servicesDropdown">
+            <a href="https://privacytools.twngo.xyz/" class="dropdown-item">繁體中文</a>
+            <a href="https://victorhck.gitlab.io/privacytools-es/" class="dropdown-item">Español</a>
+            <a href="https://privacytools.it-sec.rocks/" class="dropdown-item">Deutsch</a>
+            <a href="https://privacytools-it.github.io/" class="dropdown-item">Italiano</a>
+            <a href="https://privacytools.ru" class="dropdown-item">Русский</a>
+            <a href="https://privacytools.dreads-unlock.fr" class="dropdown-item">Français</a>
+          </div>
+        </li>
         <li class="nav-item dropdown">
           <a class="nav-link dropdown-toggle" href="/services/" id="browserDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
             Services <span class="badge badge-success">New!</span>

_includes/sections/header.html

@@ -11,21 +11,3 @@
 </span>
 </div>
 </form>
-
-<br/>
-
-<p>
-<a data-toggle="tooltip" data-placement="bottom" data-original-title="Translations of privacytools.io were done by volunteers. They might be not up to date.">Language:</a>
-
-<span class="flag-icon flag-icon-tw" style="margin-left:5px;"></span> <a href="https://privacytools.twngo.xyz/">繁體中文</a>
-
-<span class="flag-icon flag-icon-es" style="margin-left:5px;"></span> <a href="https://victorhck.gitlab.io/privacytools-es/">Español</a>
-
-<span class="flag-icon flag-icon-de" style="margin-left:5px;"></span> <a href="https://privacytools.it-sec.rocks/">Deutsch</a>
-
-<span class="flag-icon flag-icon-it" style="margin-left:5px;"></span> <a href="https://privacytools-it.github.io/">Italiano</a>
-
-<span class="flag-icon flag-icon-ru" style="margin-left:5px;"></span> <a href="https://privacytools.ru">Русский</a>
-
-<span class="flag-icon flag-icon-fr" style="margin-left:5px;"></span> <a href="https://privacytools.dreads-unlock.fr">Français</a>
-</p>