removed legacy asm_lr

--- a/src/HOL/Divides.thy	Fri Jan 01 19:15:43 2010 +0100
+++ b/src/HOL/Divides.thy	Sat Jan 02 21:31:15 2010 +0100
@@ -2322,7 +2322,7 @@
 text{*Suggested by Matthias Daum*}
 lemma int_div_less_self: "\<lbrakk>0 < x; 1 < k\<rbrakk> \<Longrightarrow> x div k < (x::int)"
 apply (subgoal_tac "nat x div nat k < nat x")
- apply (simp (asm_lr) add: nat_div_distrib [symmetric])
+ apply (simp add: nat_div_distrib [symmetric])
 apply (rule Divides.div_less_dividend, simp_all)
 done