fix: always require ACME email

modules/forgejo/options.nix

@@ -1,4 +1,4 @@
-args@{ config, lib, ... }:
+{ config, lib, ... }:
 {
   imports = [ ../options.nix ];
 
@@ -49,11 +49,4 @@ args@{ config, lib, ... }:
       };
     };
   };
-
-  config.assertions = lib.mkIf config.aether.https [
-    {
-      assertion = !(builtins.isNull config.aether.acmeEmail);
-      message = "HTTPS support requires providing a contact email";
-    }
-  ];
 }

modules/options.nix

@@ -9,13 +9,17 @@
     https = lib.mkOption {
       type = lib.types.boolByOr;
       default = true;
-      description = "Whether to force HTTPS connections for websites.";
+      description = ''
+        Whether to force HTTPS connections for websites.
+
+        This option is ignored if the service strictly requires HTTPS.
+      '';
     };
 
     acmeEmail = lib.mkOption {
-      type = lib.types.nullOr lib.types.str;
+      type = lib.types.str;
       default = null;
-      description = "Email address for ACME.";
+      description = "Email address to provide to the ACME service.";
     };
   };
 }