Some bug fixes.
* Ninja Cutter (13074) is not refineable, causing KG/OB quest to halt. (bugreport:8542)
http://rathena.org/board/tracker/issue-8542-ninja-cutter-cannot-be-refined/
* Treasure Chest (2335) in Bakonawa's Lake instance drops incorrect spirit piece. (bugreport:8294)
http://rathena.org/board/tracker/issue-8294-treasure/
* Slightly edited coordinates of two RE Izlude traders.
* Follow-up 3813aaa: fixed a typo on item 22669.

Signed-off-by: Euphy <euphy.raliel@rathena.org>