delete icon link

src/server/views/layout-growi/user_page.html

@@ -54,7 +54,7 @@
   {% if page %}
     <div class="grw-page-list-m my-5">
       <h1 class="grw-page-list-title-m border-bottom pb-2 mb-3">
-        <i id="user-bookmark-icon" class="icon-link"></i>
+        <i id="user-bookmark-icon"></i>
         Bookmarks
       </h1>
       <div class="page-list" id="user-bookmark-list">