Remove old unused admin nav template

templates/admin/nav.tmpl

@@ -1,16 +0,0 @@
-<div id="setting-menu" class="grid-1-5 panel panel-radius left">
-	<p class="panel-header"><strong>{{.i18n.Tr "admin_panel"}}</strong></p>
-	<div class="panel-body">
-		<ul class="menu menu-vertical switching-list grid-1-5 left">
-			<li {{if .PageIsAdminDashboard}}class="current"{{end}}><a href="{{AppSubUrl}}/admin">{{.i18n.Tr "admin.dashboard"}}</a></li>
-			<li {{if .PageIsAdminUsers}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/users">{{.i18n.Tr "admin.users"}}</a></li>
-			<li {{if .PageIsAdminOrganizations}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/orgs">{{.i18n.Tr "admin.organizations"}}</a></li>
-			<li {{if .PageIsAdminRepositories}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/repos">{{.i18n.Tr "admin.repositories"}}</a></li>
-			<li {{if .PageIsAdminHooks}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/hooks">{{.i18n.Tr "admin.hooks"}}</a></li>
-			<li {{if .PageIsAdminAuthentications}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/auths">{{.i18n.Tr "admin.authentication"}}</a></li>
-			<li {{if .PageIsAdminConfig}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/config">{{.i18n.Tr "admin.config"}}</a></li>
-			<li {{if .PageIsAdminNotices}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/notices">{{.i18n.Tr "admin.notices"}}</a></li>
-			<li {{if .PageIsAdminMonitor}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/monitor">{{.i18n.Tr "admin.monitor"}}</a></li>
-		</ul>
-	</div>
-</div>