tracing: define DEFINE_EVENT_PRINT not related to DEFINE_EVENT

Current definition define DEFINE_EVENT_PRINT to be DEFINE_EVENT.
Actually, at this point DEFINE_EVENT is already an empty macro. Let's
cut the relationship between DEFINE_EVENT_PRINT and DEFINE_EVENT.

Link: http://lkml.kernel.org/r/20200612092844.56107-4-richard.weiyang@linux.alibaba.com



Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>