gnu: emacs-undohist-el: Update to 0.2.1.

* gnu/packages/emacs-xyz.scm (emacs-undohist-el): Update to 0.2.1.
[origin]: Remove unnecessary patch.
* gnu/packages/patches/emacs-undohist-ignored.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Apply deletion.

gnu/local.mk

@@ -960,7 +960,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/emacs-source-date-epoch.patch		\
   %D%/packages/patches/emacs-telega-patch-server-functions.patch	\
   %D%/packages/patches/emacs-telega-test-env.patch		\
-  %D%/packages/patches/emacs-undohist-ignored.patch	\
   %D%/packages/patches/emacs-wordnut-require-adaptive-wrap.patch	\
   %D%/packages/patches/enjarify-setup-py.patch			\
   %D%/packages/patches/enlightenment-fix-setuid-path.patch	\

gnu/packages/emacs-xyz.scm

@@ -8460,29 +8460,24 @@ agree upon.")
     (license license:gpl3+)))
 
 (define-public emacs-undohist-el
-  (let ((commit "d2239a5f736724ceb9e3b6bcaa86f4064805cda0")
-        (revision "1"))
   (package
     (name "emacs-undohist-el")
-      (version (git-version "0" revision commit))
+    (version "0.2.1")
     (source
      (origin
        (method git-fetch)
        (uri (git-reference
              (url "https://github.com/m2ym/undohist-el")
-               (commit commit)))
+             (commit version)))
        (file-name (git-file-name name version))
        (sha256
-          (base32
+        (base32 "0hmx2b20nrxg2lb8vplgrzdh8chgxwlbmjvbq5scddggd302sd56"))))
-           "1c0daw246ky7b1x5b8h55x79pl1pjqk1k348l487bdd8zdj4w9wx"))
-         (patches
-          (search-patches "emacs-undohist-ignored.patch"))))
     (build-system emacs-build-system)
     (home-page "https://github.com/m2ym/undohist-el")
     (synopsis "Save undo history between sessions")
     (description "This package allows persistent use of undo history for
 individual file buffers.")
-      (license license:gpl3+))))
+    (license license:gpl3+)))
 
 (define-public emacs-eprime
   (let ((commit "17a481af26496be91c07139a9bfc05cfe722506f"))

gnu/packages/patches/emacs-undohist-ignored.patch

@@ -1,27 +0,0 @@
-From 52bfd419bf9022726048f818d955b8ea10a16d5c Mon Sep 17 00:00:00 2001
-From: Patrick Mosby <info@schreiblogade.de>
-Date: Mon, 7 Sep 2015 09:05:56 +0200
-Subject: [PATCH] Don't save undo file for ignored files.
-
-This fixes #4.
----
- undohist.el | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
-
-diff --git a/undohist.el b/undohist.el
-index b184a26..de60356 100644
---- a/undohist.el
-+++ b/undohist.el
-@@ -164,7 +164,8 @@ To use undohist, you just call this function."
-                 undohist-ignored-files)))
- 
- (defun undohist-save-1 ()
--  (when (consp buffer-undo-list)
-+  (when (and (consp buffer-undo-list)
-+             (undohist-recover-file-p (buffer-file-name (current-buffer))))
-     (let ((file (make-undohist-file-name (buffer-file-name)))
-           (contents `((digest . ,(md5 (current-buffer)))
-                       (undo-list . ,(undohist-encode buffer-undo-list)))))
--- 
-2.21.0
-