Drop static NAT support

Unused and never properly tested.

web/system.py

@@ -119,17 +119,6 @@ def save_config():
                     f.write(nft_set6.format(name=name, ips=make_set(data.get('ip6', ()))))
                     f.write('\n')
 
-            # Print static NAT (1:1) rules.
-            with open(output / 'etc/nftables.d/netmap.nft', 'w', encoding='utf-8') as f:
-                nft_map = 'map {name} {{\n    type ipv4_addr : interval ipv4_addr; flags interval; elements = {{\n{ips}\n    }}\n}}\n'
-                def make_map(ips, reverse=False):
-                    # return "{ from1: to1, from2: to2, … }" with possibly reversed from and to
-                    return ',\n'.join(f"{b if reverse else a}: {a if reverse else b}" for a, b in ips)
-                if netmap := db.read('netmap'): # { private range: public range… }
-                    f.write(nft_map.format(name='netmap-out', ips=make_map(netmap.items())))
-                    f.write('\n')
-                    f.write(nft_map.format(name='netmap-in', ips=make_map(netmap.items(), reverse=True)))
-
             # Print dynamic NAT rules.
             with open(output / 'etc/nftables.d/nat.nft', 'w', encoding='utf-8') as f:
                 no_nat_set = settings.get('no_nat_set')

web/templates/index.html

@@ -18,8 +18,6 @@
 <dd>območja IP, naslovi NAT in skupine za VPN
 <dt><a href="{{ url_for('rules.index') }}">Pravila</a>
 <dd>pravila za posredovanje prometa
-<dt><a href="{{ url_for('config.edit', name='netmap') }}">Netmap</a>
-<dd>statične 1:1 preslikave naslovov za strežniška omrežja
 <dt><a href="{{ url_for('vpn.custom') }}">VPN po meri</a>
 <dd>urejanje ključev za oddaljeni dostop do posebnih omrežij
 <dt><a href="{{ url_for('config.index') }}">Nastavitve</a>