[modules] do not reference self within modules

if it gets included in other flakes 'self' references to that flake,
instead of malobeo

machines/modules/malobeo/gitea_translator.nix

@@ -55,7 +55,7 @@ in
 
       serviceConfig = {
         ExecStart = ''
-          ${pkgs.python3}/bin/python3 ${inputs.self + /scripts/gitea_hydra_server.py} \
+          ${pkgs.python3}/bin/python3 ${../../../scripts/gitea_hydra_server.py} \
             --baseurl ${cfg.baseurl} \
             --owner ${cfg.owner} \
             --repo ${cfg.repo} \
@@ -75,4 +75,4 @@ in
       };
     };
   };
-}
+}