Fix doc string of 'footnote-style-alist'

* lisp/mail/footnote.el (footnote-style-alist): Remove a reference
to non-existing files from doc string.  (Bug#29759)

1 files changed, 1 insertions, 3 deletions

diff --git a/lisp/mail/footnote.el b/lisp/mail/footnote.el
index 5e18d892d4a..68e5e474773 100644
--- a/lisp/mail/footnote.el
+++ b/lisp/mail/footnote.el
@@ -321,9 +321,7 @@ Use Unicode characters for footnoting."
     (unicode Footnote-unicode ,footnote-unicode-regexp))
   "Styles of footnote tags available.
 By default only boring Arabic numbers, English letters and Roman Numerals
-are available.
-See footnote-han.el, footnote-greek.el and footnote-hebrew.el for more
-exciting styles.")
+are available.")
 
 (defcustom footnote-style 'numeric
   "Default style used for footnoting.