removed iter adaptor fail expected 3, no longer needed

[SVN r9153]

status/regression.cfg

@@ -45,7 +45,6 @@ run libs/utility/counting_iterator_test.cpp
 run libs/utility/iterator_adaptor_test.cpp
 compile-fail libs/utility/iter_adaptor_fail_expected1.cpp
 compile-fail libs/utility/iter_adaptor_fail_expected2.cpp
-compile-fail libs/utility/iter_adaptor_fail_expected3.cpp
 run libs/utility/iterator_traits_test.cpp
 run libs/utility/iterators_test.cpp
 run libs/utility/numeric_traits_test.cpp