Intermediate changes

.mapping.json

@@ -1,5 +1,4 @@
 {
-  ".":"ydb/github_toplevel",
   ".github/actions/build/action.yml":"ydb/github_toplevel/.github/actions/build/action.yml",
   ".github/actions/build_ya/action.yml":"ydb/github_toplevel/.github/actions/build_ya/action.yml",
   ".github/actions/prepare_vm/action.yaml":"ydb/github_toplevel/.github/actions/prepare_vm/action.yaml",