infra: Enable manage-labels.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>

.github/workflows/manage-labels.yml

diff --git a/.github/workflows/manage-labels.yml b/.github/workflows/manage-labels.yml
index 500534e..4e9bb19 100644
--- a/.github/workflows/manage-labels.yml
+++ b/.github/workflows/manage-labels.yml
@@ -15,7 +15,5 @@
         uses: crazy-max/ghaction-github-labeler@v2
         with:
           yaml_file: .github/labels.yml
-          skip_delete: true
-          dry_run: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}