Move options to seperate modules so they can be shared between home manager and nixos

modules/nix/openssh.nix

@@ -8,26 +8,6 @@ with lib; let
     cfg = config.simmer.openssh;
 in
 {
-    options.simmer.openssh = {
-        enable = mkOption {
-            description = "Whether to enable openssh server";
-            type = types.bool;
-            default = false;
-        };
-
-        port = mkOption {
-            description = "What port the server should run on";
-            type = types.int;
-            default = 22;
-        };
-
-        allow-password = mkOption {
-            description = "Whether the server should allow password authenitication" ;
-            type = types.bool;
-            default = false;
-        };
-    };
-
     config = mkIf cfg.enable {
         services.openssh = {
             enable = true;