Revert "Fix heap use after free on mruby-aws-sigv4."

This reverts commit b8869498b7b1458af1cf2a5ccc7644849f826230.

1 files changed, 0 insertions, 2 deletions

diff --git a/src/vm.c b/src/vm.c
index ba2c32972..f1eae5ba5 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -528,8 +528,6 @@ mrb_exec_irep(mrb_state *mrb, mrb_value self, struct RProc *p)
     return MRB_PROC_CFUNC(p)(mrb, self);
   }
   ci->nregs = p->body.irep->nregs;
-  ci->env = MRB_PROC_ENV(p);
-  if (ci->env) ci->env->stack[0] = self;
   if (ci->argc < 0) keep = 3;
   else keep = ci->argc + 2;
   if (ci->nregs < keep) {