Revert "Set mountpoint of home as root of user's space (if allowed)"

This reverts commit 5fe9854f.

This change cause an error on the first login

nextcloud-fuss/configure-fuss.sh

@@ -98,7 +98,7 @@ if [ "No admin mounts configured" = "$(run_as 'php /var/www/html/occ files_exter
   cat > /tmp/fe_conf.txt <<EOF
 {
     "mount_id": 3,
-    "mount_point": "\/",
+    "mount_point": "\/FUSS_home",
     "storage": "\\\\OCA\\\\Files_External\\\\Lib\\\\Storage\\\\SMB",
     "authentication_type": "password::sessioncredentials",
     "configuration": {