chore: remove all IPv6 functionality

meta/main.yaml

@@ -1,13 +1,11 @@
 ---
-# meta information for ans-router
 galaxy_info:
-  role_name: router
-  namespace: siempie
-  author: Simon
-  description: Configure router on Alpine Linux
-  license: MIT
+  author: "Simon"
+  description: "Alpine Linux router with NAT and firewall"
+  license: "MIT"
   min_ansible_version: "2.14"
   platforms:
-    - name: Alpine
+    - name: "Alpine"
       versions:
         - "3.23"
+dependencies: []