tracing: Remove TRACE_EVENT_TYPE enum definition

TRACE_EVENT_TYPE enum is not used at present, remove it.

Link: http://lkml.kernel.org/r/1365564393-10972-8-git-send-email-jovi.zhangwei@huawei.com



Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>