Refactor code structure for improved readability and maintainability

app/data/mikrotik/firewall_ipv6.json

@@ -114,6 +114,14 @@
     "comment": "defconf:",
     "protocol": "icmpv6"
   },
+  {
+    "action": "accept",
+    "chain": "input",
+    "comment": "defconf:",
+    "log": "no",
+    "log-prefix": "",
+    "protocol": "icmpv6"
+  },
   {
     "action": "accept",
     "chain": "forward",
@@ -151,18 +159,6 @@
     "comment": "defconf:",
     "in-interface-list": "!LAN"
   },
-  {
-    "action": "accept",
-    "chain": "forward",
-    "comment": "Allow",
-    "protocol": "icmpv6"
-  },
-  {
-    "action": "accept",
-    "chain": "input",
-    "comment": "Allow",
-    "protocol": "icmpv6"
-  },
   {
     "action": "accept",
     "chain": "input",