gnu: guile-email-latest: Remove package.

* gnu/packages/guile-xyz.scm (guile-email-latest): Delete variable.
* gnu/packages/mail.scm (mumi)[inputs]: Replace guile-email-latest with
guile-email.

gnu/packages/guile-xyz.scm

@@ -1535,27 +1535,6 @@ (define-public guile-email
 format.")
     (license license:agpl3+)))
 
-(define-public guile-email-latest
-  (let ((commit "ea60bb902d3677d5c653851c7aa6afbbf710140e")
-        (revision "2"))
-    (package
-      (inherit guile-email)
-      (name "guile-email-latest")
-      (version (git-version "0.2.2" revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://git.systemreboot.net/guile-email")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "1g4rn7ai3nfxmpppc8qbpv8b18wnsld29y5xa58cv9b8pf3pbwnj"))))
-      (arguments '())
-      (native-inputs
-       (list pkg-config autoconf automake texinfo)))))
-
 (define-public guile2.2-email
   (package
     (inherit guile-email)

gnu/packages/mail.scm

@@ -17,7 +17,7 @@
 ;;; Copyright © 2016, 2017 Troy Sankey <sankeytms@gmail.com>
 ;;; Copyright © 2016, 2017, 2018 Nikita <nikita@n0.is>
 ;;; Copyright © 2016 Clément Lassieur <clement@lassieur.org>
-;;; Copyright © 2016–2022 Arun Isaac <arunisaac@systemreboot.net>
+;;; Copyright © 2016–2023 Arun Isaac <arunisaac@systemreboot.net>
 ;;; Copyright © 2016 John Darrington <jmd@gnu.org>
 ;;; Copyright © 2016, 2018 Marius Bakke <mbakke@fastmail.com>
 ;;; Copyright © 2017 Thomas Danckaert <post@thomasdanckaert.be>
@@ -4072,7 +4072,7 @@ (define-public mumi
                     `("GUILE_LOAD_COMPILED_PATH" ":" prefix
                       (,go ,(getenv "GUILE_LOAD_COMPILED_PATH"))))))))))
       (inputs
-       (list guile-email-latest
+       (list guile-email
              guile-fibers
              guile-gcrypt
              guile-json-4