Remove iptables references in docs

Signed-off-by: Mario Loriedo <[email protected]>

Author: l0rd

docs/source/locale/ja/LC_MESSAGES/markdown.po

@@ -20503,8 +20503,8 @@ msgstr ""
 
 #: ../../source/markdown/podman-network-reload.1.md:13
 msgid ""
-"Rootful Podman relies on iptables rules in order to provide network "
-"connectivity. If the iptables rules are deleted, this happens for example"
+"Rootful Podman relies on firewall rules in order to provide network "
+"connectivity. If the firewall rules are deleted, this happens for example"
 " with `firewall-cmd --reload`, the container loses network connectivity. "
 "This command restores the network connectivity."
 msgstr ""

docs/source/markdown/podman-network-reload.1.md.in

@@ -9,7 +9,7 @@ podman\-network\-reload - Reload network configuration for containers
 ## DESCRIPTION
 Reload one or more container network configurations.
 
-Rootful Podman relies on iptables rules in order to provide network connectivity. If the iptables rules are deleted,
+Rootful Podman relies on firewall rules in order to provide network connectivity. If the firewall rules are deleted,
 this happens for example with `firewall-cmd --reload`, the container loses network connectivity. This command restores
 the network connectivity.