lockfiles: drop graduated overrides 🎓

Triggered by remove-graduated-overrides GitHub Action.

Author: coreosbot

manifest-lock.overrides.yaml

@@ -9,16 +9,6 @@
 # for FCOS-specific packages (ignition, afterburn, etc.).
 
 packages:
-  ignition:
-    evr: 2.23.0-1.fc42
-    metadata:
-      bodhi: https://bodhi.fedoraproject.org/updates/FEDORA-2025-2b6a50d3c4
-      type: fast-track
-  ignition-grub:
-    evr: 2.23.0-1.fc42
-    metadata:
-      bodhi: https://bodhi.fedoraproject.org/updates/FEDORA-2025-2b6a50d3c4
-      type: fast-track
   rpm-ostree:
     evr: 2025.11-1.fc42
     metadata: