improvement: address feedback

frontend/src/layouts/PkiManagerLayout/PkiManagerLayout.tsx

@@ -1,5 +1,5 @@
 import { useTranslation } from "react-i18next";
-import { faArrowLeft, faGlobe, faMobile } from "@fortawesome/free-solid-svg-icons";
+import { faMobile } from "@fortawesome/free-solid-svg-icons";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import { Link, Outlet, useLocation } from "@tanstack/react-router";
 import { motion } from "framer-motion";
@@ -30,12 +30,6 @@ export const PkiManagerLayout = () => {
             <nav className="w-full">
               <Tabs value="selected">
                 <TabList className="border-b-0">
-                  <Link to="/organization/projects">
-                    <Tab value="back" className="flex gap-x-2">
-                      <FontAwesomeIcon icon={faGlobe} />
-                      <FontAwesomeIcon icon={faArrowLeft} />
-                    </Tab>
-                  </Link>
                   <Link
                     to="/projects/cert-management/$projectId/subscribers"
                     params={{