remove affix code

src/client/styles/scss/_user_growi.scss

@@ -1,11 +1,4 @@
 .growi .user-page {
-  // affix
-  .user-page-header.affix {
-    #revision-path {
-      display: none;
-    }
-  }
-
   .revision-toc {
     position: sticky;
     top: 105px;