Stop managing valid class serials

`mjit_valid_class_serial_p` has no longer been used since b9007b6c548.

1 files changed, 0 insertions, 1 deletions

diff --git a/vm.c b/vm.c
index 696cffb202..faea6885a8 100644
--- a/vm.c
+++ b/vm.c
@@ -366,7 +366,6 @@ rb_serial_t
 rb_next_class_serial(void)
 {
     rb_serial_t class_serial = NEXT_CLASS_SERIAL();
-    mjit_add_class_serial(class_serial);
     return class_serial;
 }