nixos-module/container/bird: remove useless network declarations

nix/nixos-module/container/bird.nix

@@ -108,12 +108,6 @@ in
           export where net != 0.0.0.0/0;
         };
         area 0 {
-          # Enabled on these networks
-          networks {
-            ${builtins.concatStringsSep " " (
-              map (n: "  ${n};") config.site.ospf.networks4
-             )}
-          };
           ${builtins.concatStringsSep "\n" (
               builtins.attrValues (
                 builtins.mapAttrs (net: _:
@@ -152,12 +146,6 @@ in
             export where net = 0.0.0.0/0;
           };
           area ${config.site.net.core.hosts4.${hostName}} {
-            # Enabled on these networks
-            networks {
-              ${builtins.concatStringsSep " " (
-                map (n: "  ${n};") config.site.ospf.networks4
-               )}
-            };
             ${builtins.concatStringsSep "\n" (
                 builtins.attrValues (
                   builtins.mapAttrs (net: _:
@@ -192,12 +180,6 @@ in
                 ''}
               };
               area ${config.site.net.core.hosts4.${upstream}} {
-                # Enabled on these networks
-                networks {
-                  ${builtins.concatStringsSep " " (
-                    map (n: "  ${n};") config.site.ospf.networks4
-                   )}
-                };
                 ${builtins.concatStringsSep "\n" (
                     builtins.attrValues (
                       builtins.mapAttrs (net: _:
@@ -224,12 +206,6 @@ in
           export where net != ::/0;
         };
         area 0 {
-          # Enabled on these networks
-          networks {
-            ${builtins.concatStringsSep " " (
-              map (n: "  ${n};") config.site.ospf.networks6
-            )}
-          };
           ${builtins.concatStringsSep "\n" (
               builtins.attrValues (
                 builtins.mapAttrs (net: _:
@@ -270,12 +246,6 @@ in
             export where net = ::/0;
           };
           area ${config.site.net.core.hosts4.${hostName}} {
-            # Enabled on these networks
-            networks {
-              ${builtins.concatStringsSep " " (
-                map (n: "  ${n};") config.site.ospf.networks4
-               )}
-            };
             ${builtins.concatStringsSep "\n" (
                 builtins.attrValues (
                   builtins.mapAttrs (net: _:
@@ -307,12 +277,6 @@ in
                 };
               };
               area ${config.site.net.core.hosts4.${upstream}} {
-                # Enabled on these networks
-                networks {
-                  ${builtins.concatStringsSep " " (
-                    map (n: "  ${n};") config.site.ospf.networks4
-                   )}
-                };
                 ${builtins.concatStringsSep "\n" (
                     builtins.attrValues (
                       builtins.mapAttrs (net: _: