revert r59359, r59356, r59355, r59354

These caused numerous CI failures I haven't been able to
reproduce [ruby-core:82102]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59364 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 1 deletions

diff --git a/vm_core.h b/vm_core.h
index fce3cd4128..c23f50690e 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -574,7 +574,6 @@ typedef struct rb_vm_struct {
 
     VALUE *defined_strings;
     st_table *frozen_strings;
-    st_table *tainted_frozen_strings;
 
     /* params */
     struct { /* size in byte */