Remove tests of a workaround that no longer exists in stack_trace.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//351283004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/stack_trace@37768 260f80e4-7a28-3924-810f-c04153c831b5
1 file changed
tree: 9742db0e2acadf95b848531a6b001f1868889601
  1. pkgs/