Disable AI tutor

src/components/Navigation/Navigation.astro

@@ -20,12 +20,12 @@ import { CourseAnnouncement } from '../SQLCourse/CourseAnnouncement';
         <Icon icon='logo' />
       </a>
 
-      <a
+      <!-- <a
         href='/ai-tutor'
         class='group relative inline text-gray-400 hover:text-white sm:hidden'
       >
         AI Tutor
-      </a>
+      </a> -->
 
       <!-- Desktop navigation items -->
       <div class='hidden gap-5 sm:flex sm:items-center'>
@@ -34,7 +34,7 @@ import { CourseAnnouncement } from '../SQLCourse/CourseAnnouncement';
           Start Here
         </a>
         <RoadmapDropdownMenu client:load />
-        <a
+        <!-- <a
           href='/ai-tutor'
           class='group relative mr-3 text-blue-300 hover:text-white'
         >
@@ -48,7 +48,7 @@ import { CourseAnnouncement } from '../SQLCourse/CourseAnnouncement';
               ></span>
             </span>
           </span>
-        </a>
+        </a> -->
         <a
           href='/teams'
           class='group relative hidden text-gray-400 hover:text-white xl:block'