ensure.rb in mutest-0.0.7

- old
+ new

@@ -1,7 +1,6 @@
 Mutest::Meta::Example.add :ensure do
   source 'begin; rescue; ensure; true; end'
 
   singleton_mutations
   mutation 'begin; rescue; ensure; false; end'
-  mutation 'begin; rescue; ensure; nil; end'
 end