Remove landing page redirect

Author: mattwojo

.openpublishing.redirection.json

@@ -15,11 +15,6 @@
       "redirect_url": "/windows/wsl/release-notes",
       "redirect_document_id": true
     },
-    {
-      "source_path": "WSL/index.md",
-      "redirect_url": "about",
-      "redirect_document_id": false
-    },
     {
       "source_path": "wsl/initialize-distro.md",
       "redirect_url": "install-win10",