onionAddresses: remove redundant option 'enable'

The service can be disabled via `onion-addresses.access = mkForce {};`

Also remove redundant description.

modules/onion-addresses.nix

@@ -44,13 +44,6 @@ let
   '';
 in {
   options.nix-bitcoin.onionAddresses = {
-    enable = mkOption {
-      type = types.bool;
-      default = false;
-      description = ''
-        If enabled, the onion-addresses service will be installed.
-      '';
-    };
     access = mkOption {
       type = types.attrs;
       default = {};
@@ -67,9 +60,8 @@ in {
     };
   };
 
-  config = mkIf cfg.enable {
+  config = mkIf (cfg.access != {}) {
     systemd.services.onion-addresses = {
-      description = "Run onion-addresses";
       wantedBy = [ "tor.service" ];
       bindsTo = [ "tor.service" ];
       after = [ "tor.service" ];

modules/presets/secure-node.nix

@@ -125,7 +125,6 @@ in {
     ];
 
     nix-bitcoin.onionAddresses = {
-      enable = true;
       access.${operatorName} = [ "bitcoind" "clightning" "nginx" "liquidd" "spark-wallet" "electrs" "btcpayserver" "sshd" ];
     };
 

modules/spark-wallet.nix

@@ -72,7 +72,6 @@ in {
       }];
       version = 3;
     };
-    nix-bitcoin.onionAddresses.enable = cfg.onion-service;
     nix-bitcoin.onionAddresses.access.spark-wallet = if cfg.onion-service then [ "spark-wallet" ] else [];
     systemd.services.spark-wallet = {
       description = "Run spark-wallet";