removed legacy asm_lr_simp_tac

--- a/src/HOL/UNITY/UNITY_tactics.ML	Thu Dec 31 23:47:09 2009 +0100
+++ b/src/HOL/UNITY/UNITY_tactics.ML	Sun Jan 03 11:03:00 2010 +0000
@@ -29,7 +29,7 @@
               full_simp_tac ss 1,
               REPEAT (FIRSTGOAL (etac disjE)),
               ALLGOALS (clarify_tac cs),
-              ALLGOALS (asm_lr_simp_tac ss)]) i;
+              ALLGOALS (asm_full_simp_tac ss)]) i;
 
 (*proves "ensures/leadsTo" properties when the program is specified*)
 fun ensures_tac(cs,ss) sact =