common/amd64.nix: remove redundant `$@` from flashrom script

src/platform/common/amd64.nix

@@ -37,7 +37,7 @@
         ${final.nixpkgsOnBuildForHost.nvramtool}/bin/nvramtool -y ${final.image}/cmos.layout ${moreFlags}
       '';
     in prev.scripts // {
-      flashrom = flashromScript "$@";
+      flashrom = flashromScript "";
       flash-write-fallback = flashromWriteScript "${layoutFlags} -i FALLBACK";
       flash-write-normal = flashromWriteScript "${layoutFlags} -i NORMAL";
       flash-write-all = flashromWriteScript "";