format junk pook with nix

configuration-nas.nix

@@ -49,6 +49,8 @@ in
     bootspec.enable = true;
 
     supportedFilesystems = [ "zfs" ];
+
+    zfs.extraPools = [ "junk" ];
   };
 
   # Hardware configs
@@ -176,7 +178,6 @@ in
       else
         zpool import -R /mnt -f "Main Pool"
         zpool import -R /mnt -f "Safe SSD"
-        zpool import -R /mnt -f "Junk"
         zfs load-key -L file:///root/main-pool.key "Main Pool"
         zfs load-key -L file:///root/safe-ssd.key "Safe SSD"
         zfs mount -a