luci-app-firewall: i18n fix

Signed-off-by: Paul Donald <newtwen+github@gmail.com>

applications/luci-app-firewall/po/zh_Hans/firewall.po

@@ -1438,10 +1438,6 @@ msgstr "ip[/cidr]<br />"
 msgid "ip[/cidr]<br />For use with Match datatypes: <code>*_ip</code>."
 msgstr "ip[/cidr]<br />用于 Match 数据类型: <code>*_ip</code>。"
 
-#: applications/luci-app-firewall/htdocs/luci-static/resources/view/firewall/ipsets.js:70
-msgid "ipv4"
-msgstr "ipv4"
-
 #: applications/luci-app-firewall/htdocs/luci-static/resources/view/firewall/ipsets.js:133
 msgid "list"
 msgstr "列表"
@@ -1536,6 +1532,9 @@ msgstr "最多 65536 个条目。"
 msgid "valid firewall mark"
 msgstr "有效的防火墙标记"
 
+#~ msgid "ipv4"
+#~ msgstr "ipv4"
+
 #~ msgid "Software based offloading for routing/NAT"
 #~ msgstr "基于软件的 路由/NAT 分载"