x86,tracing: Remove unused headers

Commit 4b9a8dca ("x86/idt: Remove the tracing IDT completely")
removed the tracing IDT from the file arch/x86/kernel/tracepoint.c,
but left the related headers unused, remove it.

Link: https://lkml.kernel.org/r/20220525012827.93464-1-sunliming@kylinos.cn



Signed-off-by: sunliming <sunliming@kylinos.cn>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>