tracing: eprobe: Remove duplicate is_good_name() operation

traceprobe_parse_event_name() already validate SYSTEM and EVENT name,
there is no need to call is_good_name() after it.

Link: https://lore.kernel.org/all/1656296348-16111-3-git-send-email-quic_linyyuan@quicinc.com/Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Linyu Yuan <quic_linyyuan@quicinc.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

kernel/trace/trace_eprobe.c

@@ -887,8 +887,6 @@ static int __trace_eprobe_create(int argc, const char *argv[])
 					  sys_event - argv[1]);
 	if (ret || !sys_name)
 		goto parse_error;
-	if (!is_good_name(sys_event) || !is_good_name(sys_name))
-		goto parse_error;
 
 	mutex_lock(&event_mutex);
 	event_call = find_and_get_event(sys_name, sys_event);