removed junk (amending 8cd399b25dac);

--- a/src/Pure/Tools/build_cluster.scala	Thu Aug 10 19:48:39 2023 +0200
+++ b/src/Pure/Tools/build_cluster.scala	Thu Aug 10 19:51:43 2023 +0200
@@ -161,7 +161,6 @@
           build_id = build_context.build_uuid,
           isabelle_home = remote_isabelle_home,
           afp_root = remote_afp_root)
-      Console.println(script)
       remote_isabelle.bash(script).print.check
     }