x86: remove unused tsk_thread from asm-offsets_64.c

So this patch simply removes the "thread" from asm-offsets.c since I
can't find an owner for it.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/kernel/asm-offsets_64.c

@@ -38,7 +38,6 @@ int main(void)
 #define ENTRY(entry) DEFINE(tsk_ ## entry, offsetof(struct task_struct, entry))
 	ENTRY(state);
 	ENTRY(flags); 
-	ENTRY(thread); 
 	ENTRY(pid);
 	BLANK();
 #undef ENTRY