dinput8: remove 'recursive registry key delete' function

[Stefan Leichter]

ChangeLog
---------
        replace recursive_delete_keyA/W with RegDeleteTreeA/W
-------------- next part --------------
A non-text attachment was scrubbed...
Name: RecursiveRegistryKeyDelete.diff
Type: text/x-diff
Size: 3050 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20070924/378fe4fa/attachment-0001.diff