encoding.c: remove rb_gc_mark_encodings

rb_gc_mark_encodings has been empty for a decade
(since r17875 / 28b216ac45262819f8bc7be0b1417a707974f94b).
Just remove it and its only caller in gc.c

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63582 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 3 deletions

diff --git a/gc.c b/gc.c
index 13086a8745..feac07279a 100644
--- a/gc.c
+++ b/gc.c
@@ -4850,9 +4850,6 @@ gc_mark_roots(rb_objspace_t *objspace, const char **categoryp)
     MARK_CHECKPOINT("machine_context");
     mark_current_machine_context(objspace, ec);
 
-    MARK_CHECKPOINT("encodings");
-    rb_gc_mark_encodings();
-
     /* mark protected global variables */
     MARK_CHECKPOINT("global_list");
     for (list = global_list; list; list = list->next) {