Remove target from platform link in navigation

Fixes: #28

Author: onur

templates/navigation.hbs

@@ -38,7 +38,7 @@
           {{#if ../varsb.package_navigation_show_platforms_tab}}
           <ul class="pure-menu-list platforms-menu">
             <li class="pure-menu-item pure-menu-has-children pure-menu-allow-hover">
-              <a href="#" target="_blank" class="pure-menu-link">Platform</a>
+              <a href="#" class="pure-menu-link">Platform</a>
               <ul class="pure-menu-children">
                 {{#each content.platforms}}
                 <li class="pure-menu-item"><a href="/{{../../metadata.name}}/{{../../metadata.version}}/{{this}}/{{../../metadata.target_name}}/" class="pure-menu-link">{{this}}</a></li>