HOL-Quickcheck_Benchmark works without timeout (NB: isatest imposes global timeout already);

--- a/src/HOL/ROOT	Sun Dec 16 19:23:04 2012 +0100
+++ b/src/HOL/ROOT	Sun Dec 16 21:27:23 2012 +0100
@@ -804,7 +804,7 @@
     Quickcheck_Narrowing_Examples
 
 session "HOL-Quickcheck_Benchmark" in Quickcheck_Benchmark = HOL +
-  theories [condition = ISABELLE_FULL_TEST, timeout = 5400, quick_and_dirty]
+  theories [condition = ISABELLE_FULL_TEST, quick_and_dirty]
     Find_Unused_Assms_Examples
     Needham_Schroeder_No_Attacker_Example
     Needham_Schroeder_Guided_Attacker_Example