tree 54c57aebf23cb2f01ddfb769efcb79ca344ee944
parent 0f753c2a7c9a2dfe89ea1075014297c57f010881
author Bob Nystrom <rnystrom@google.com> 1531431273 -0700
committer Bob Nystrom <rnystrom@google.com> 1531431273 -0700

Fix dart:convert "UTF8" -> "utf8".

While I was at it, I:

- Removed some unused imports.
- Fixed a deprecated API call.
- Removed the no-longer needed analysis options file.