sane.ds: Remove unused WINE_DEFAULT_DEBUG_CHANNEL

[Andrew Talbot]

Changelog:
    sane.ds: Remove unused WINE_DEFAULT_DEBUG_CHANNEL.

diff -urN a/dlls/sane.ds/ui.c b/dlls/sane.ds/ui.c
--- a/dlls/sane.ds/ui.c	2006-05-23 13:48:34.000000000 +0100
+++ b/dlls/sane.ds/ui.c	2006-12-28 20:49:16.000000000 +0000
@@ -37,8 +37,6 @@
 #include "wine/debug.h"
 #include "resource.h"
 
-WINE_DEFAULT_DEBUG_CHANNEL(twain);
-
 #ifdef HAVE_SANE
 
 #define ID_BASE 0x100