Character deletion fix

Fixed a problem where the client froze in a "Please wait" state because it got a packet it was not meant to get.
Also fixed wrong deletion times.

Fixes:
http://rathena.org/board/tracker/issue-8456-delete-character-delay-bug/
http://rathena.org/board/tracker/issue-8601-character-deletion-bug/
http://rathena.org/board/tracker/issue-8399-character-deletion-bug/

Minor follow up to 996ee3d:
Forgotten import, which got ignored by Visual Studio.