Revert "Use new Svt_INVLIST for inversion lists."

This reverts commit e0ce103ae532f9576f54a5938a24d1ee98dfb928.
This commit is failing compilations with address sanitizer, and we don't
know why.  This reverts it while we work that out.

1 files changed, 0 insertions, 8 deletions

diff --git a/sv.h b/sv.h
index c2be3ba81d..475da61b7b 100644
--- a/sv.h
+++ b/sv.h
@@ -528,14 +528,6 @@ struct xpvlv {
     char	xlv_flags;	/* 1 = negative offset  2 = negative len */
 };
 
-struct xpvinvlist {
-    _XPV_HEAD;
-    IV          prev_index;
-    STRLEN	iterator;
-    STRLEN	count;
-    bool	is_offset;	/* */
-};
-
 /* This structure works in 3 ways - regular scalar, GV with GP, or fast
    Boyer-Moore.  */
 struct xpvgv {