www: remove duplicated certificate tab file

src/www/system_camanager.php

@@ -345,7 +345,7 @@ function method_change() {
 
             <section class="col-xs-12">
 
-                <? include('system_tabs.php'); ?>
+                <? include('system_manager_tabs.php'); ?>
 
                 <div class="content-box tab-content table-responsive" style="overflow: auto;">
 

src/www/system_manager_tabs.php

 <?php
-    $active_tab = isset($active_tab) ? $active_tab : $_SERVER['PHP_SELF'];
 
-	$tab_array = array();
-	$tab_array[] = array(gettext("CAs"), $active_tab == "/system_camanager.php", "system_camanager.php");
-	$tab_array[] = array(gettext("Certificates"), $active_tab == "/system_certmanager.php", "system_certmanager.php");
-	$tab_array[] = array(gettext("Certificate Revocation"), $active_tab == "/system_crlmanager.php", "system_crlmanager.php");
-	display_top_tabs($tab_array);
-?>
+$active_tab = isset($active_tab) ? $active_tab : $_SERVER['PHP_SELF'];
+
+$tab_array = array();
+$tab_array[] = array(gettext("CAs"), $active_tab == "/system_camanager.php", "system_camanager.php");
+$tab_array[] = array(gettext("Certificates"), $active_tab == "/system_certmanager.php", "system_certmanager.php");
+$tab_array[] = array(gettext("Certificate Revocation"), $active_tab == "/system_crlmanager.php", "system_crlmanager.php");
+
+display_top_tabs($tab_array);

src/www/system_tabs.php

-<?php
-    $active_tab = isset($active_tab) ? $active_tab : $_SERVER['PHP_SELF'];
-	$tab_array = array();
-	$tab_array[] = array(gettext("CAs"), $active_tab == "/system_camanager.php", "system_camanager.php");
-	$tab_array[] = array(gettext("Certificates"), $active_tab == "/system_certmanager.php", "system_certmanager.php");
-	$tab_array[] = array(gettext("Certificate Revocation"), $active_tab == "/system_crlmanager.php" ,"system_crlmanager.php");
-	display_top_tabs($tab_array);
-?>