emacs-28 bca5708: ; Remove an obsolete comment

[Karl Fogel]

branch: emacs-28
commit bca57086bef276cdd918edfa9f6e133899bbbbbb
Author: Karl Fogel <kfogel@red-bean.com>
Commit: Karl Fogel <kfogel@red-bean.com>

    ; Remove an obsolete comment
    
    * src/editfns.c (Ftranspose_regions): Remove an obsolete comment about
      memmove, following up to commit 72af86bd8cf of 8 Jul 2010 by Andreas
      Schwab and commit 354f9f0fc6cc of 23 Feb 2016 by Fredrik Bergroth,
      both of which added calls to memmove.
---
 src/editfns.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/editfns.c b/src/editfns.c
index c8219de..5c9c34d 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -4265,9 +4265,6 @@ ring.  */)
      enough to use as the temporary storage?  That would avoid an
      allocation... interesting.  Later, don't fool with it now.  */
 
-  /* Working without memmove, for portability (sigh), so must be
-     careful of overlapping subsections of the array...  */
-
   if (end1 == start2)          /* adjacent regions */
     {
       modify_text (start1, end2);