Remove iptables-legacy starting with Fedora 43

ref: coreos/fedora-coreos-tracker#1818

Author: PeaceRebel

manifests/fedora-coreos-base.yaml

@@ -164,9 +164,6 @@ packages:
   - console-login-helper-messages-motdgen
   # i18n
   - kbd
-  # In F35+ need `iptables-legacy` package
-  # See https://github.com/coreos/fedora-coreos-tracker/issues/676#issuecomment-928028451
-  - iptables-legacy
   # NIC firmware we've traditionally shipped but then were split out of linux-firmware in Fedora
   - qed-firmware # https://github.com/coreos/fedora-coreos-tracker/issues/1746
   # Include udev rules for NVMe backed Azure Instances

manifests/fedora-coreos.yaml

@@ -46,8 +46,12 @@ conditional-include:
         - overlay/35oci-migration
   # Allow python in F43 for now until nfs package gets fixed.
   # https://github.com/coreos/fedora-coreos-tracker/issues/1942#issuecomment-2881075898
+  # iptables-legacy is not included from 43
+  # https://github.com/coreos/fedora-coreos-tracker/issues/1818
   - if: releasever < 43
     include:
+      packages:
+        - iptables-legacy
       exclude-packages:
         - python
         - python3