revert: keep scaffolder on the old layout

Back out the scaffolder NFS header migration for now so the create and related pages stay on the existing layout until the follow-up scaffolder-specific work is ready.

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
Made-with: Cursor

.changeset/nfs-header-page-migrations.md

@@ -7,7 +7,6 @@
 '@backstage/plugin-catalog-unprocessed-entities': patch
 '@backstage/plugin-devtools': patch
 '@backstage/plugin-notifications': patch
-'@backstage/plugin-scaffolder': patch
 '@backstage/plugin-search': patch
 '@backstage/plugin-techdocs': patch
 '@backstage/plugin-user-settings': patch