[openwrt] Remove config_name handling in firewall

This removes the remnants of an attempt to manage older firewall
configurations from before the firewall schema was introduced.
However, this handling was incomplete and flawed, and so this code
is pointless.

netjsonconfig/backends/openwrt/converters/firewall.py

@@ -82,8 +82,6 @@ def __intermediate_rules(self, rules):
         """
         result = []
         for rule in rules:
-            if "config_name" in rule:
-                del rule["config_name"]
             resultdict = OrderedDict(
                 ((".name", self._get_uci_name(rule["name"])), (".type", "rule"))
             )
@@ -107,8 +105,6 @@ def __intermediate_redirects(self, redirects):
         """
         result = []
         for redirect in redirects:
-            if "config_name" in redirect:
-                del redirect["config_name"]
             resultdict = OrderedDict(
                 (
                     (".name", self._get_uci_name(redirect["name"])),
@@ -137,8 +133,6 @@ def __intermediate_includes(self, includes):
         """
         result = []
         for include in includes:
-            if "config_name" in include:
-                del include["config_name"]
             resultdict = OrderedDict(
                 ((".name", self._get_uci_name(include["name"])), (".type", "include"),)
             )