Remove unused <complex.h> header.

ioquatix · ioquatix · commit 6bb19f53f24f · 2025-02-13T23:19:08.000+13:00
diff --git a/ext/io/event/event.c b/ext/io/event/event.c
@@ -5,7 +5,6 @@
 #include "fiber.h"
 #include "profiler.h"
 #include "selector/selector.h"
-#include <complex.h>
 
 void Init_IO_Event(void)
 {
