Remove unused field in rb_iseq_constant_body

This was introduced in 191ce5344ec42c91571f8f47c85be9138262b1c7
and has been unused since beae6cbf0fd8b6619e5212552de98022d4c4d4d4

1 files changed, 0 insertions, 2 deletions

diff --git a/vm_core.h b/vm_core.h
index 81455e18bc..8f4a0209b3 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -427,8 +427,6 @@ struct rb_iseq_constant_body {
     long unsigned total_calls; /* number of total calls with `mjit_exec()` */
     struct rb_mjit_unit *jit_unit;
 #endif
-
-    uintptr_t iseq_unique_id; /* -- Remove In 3.0 -- */
 };
 
 /* T_IMEMO/iseq */