bug#46469: [External] : bug#46469: 27.1; `isearch-del-char' should move point further back

[Drew Adams]

> If we are talking about personal preferences, then I suggest to make
> your desired behavior an opt-in one by introducing a defcustom.  We
> cannot change the behavior of isearch-del-char unconditionally if the
> existing behavior is not a bug, but just something some users may not
> like.

If we are talking about personal preferences
(and I think that's the case), a user can just
bind their preferred keys to their preferred
commands in `isearch-mode-map'.