tracing: Remove unused prototype ftrace_event_define_field()

ftrace_event_define_field() has a prototype defined but never used.
Remove it.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Red Hat) 2015-05-13 14:03:51 -04:00 • committed by Steven Rostedt
commit f267caab44