linux_hardened: pin to linux_6_12_hardened

        linux_6_12_hardened = hardenedKernelFor kernels.linux_6_12 { };

        linux_hardened = hardenedKernelFor packageAliases.linux_default.kernel { };

        linux_hardened = linux_6_12_hardened;

      }

      // lib.optionalAttrs config.allowAliases {

        linux_libre = throw "linux_libre has been removed due to lack of maintenance";