Remove assignment to unused Thread variable which was removed by my previous commit.
Sorry for breaking.

Modified: trunk/reactos/ntoskrnl/ps/debug.c

--- trunk/reactos/ntoskrnl/ps/debug.c	2005-11-03 00:15:39 UTC (rev 18965)
+++ trunk/reactos/ntoskrnl/ps/debug.c	2005-11-03 00:17:55 UTC (rev 18966)
@@ -55,7 +55,6 @@

     Context = &GetSetContext->Context;
     Event = &GetSetContext->Event;
     Mode = GetSetContext->Mode;

-    Thread = SystemArgument2;

 
     if (TrapFrame->Cs == KERNEL_CS && Mode != KernelMode)
     {