Remove some additional Chain.track documentation.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//581693003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/stack_trace@40404 260f80e4-7a28-3924-810f-c04153c831b5
2 files changed
tree: ab1af5ca0c91c41b1c90e752cf9f57436de51908
  1. pkgs/