nginx: make map.hamburg.freifunk.net the default host

hopglass-frontend.nix

@@ -9,6 +9,7 @@ in
   services.nginx.virtualHosts."map.hamburg.freifunk.net" = {
     forceSSL = true;
     enableACME = true;
+    default = true;
     root = "${hopglass-fe}";
     extraConfig = ''
       access_log off;

postfixadmin.nix

@@ -24,7 +24,6 @@ in
   services.nginx.virtualHosts."${config.variables.pfaDomain}" = {
     forceSSL = config.variables.useSSL;
     enableACME = config.variables.useSSL;
-    default = true;
     root = "${postfixadminpkg}/public";
     extraConfig = ''
       charset utf-8;