and correctly truncates the file without replacing it by a delete
+ recreate.
So we can drop the custom temp directory+move code of
fdo#42122 - truncate files that shrink to avoid dictionary corruption
This reverts commit 2830020960.
and so don't need
fdo#66420: fix user dictionaries on Windows
This reverts commit d68de51956.
Change-Id: I7f2010f4113f78cd0667632253b56055d189cbff