Remove mozc::DetachedThread as it is no longer used

This is just a removal of dead code.  Hence no behavior change is intended.

BUG=none
TEST=unittest

git-svn-id: https://mozc.googlecode.com/svn/trunk@504 a6090854-d499-a067-5803-1114d4e51264
4 files changed
tree: e01af189649e07b59568c9644eb47676d61a8751
  1. src/