gnu: Update 'geiser' hash and deprecate 'geiser-next'.

* gnu/packages/emacs.scm (geiser)[source]: Update the hash (the release
tarball was updated in place).
(geiser-next): Deprecate.

gnu/packages/emacs.scm

@@ -273,7 +273,7 @@ editor (without an X toolkit)" )
                                  "/geiser-" version ".tar.gz"))
              (sha256
               (base32
-               "1n772ysl1dmn0vy3gk230ymyjm14h93zw99y6h2rqp1ixy7v43dm"))))
+               "0phz9d8wjk4p13vqannv0003fwh8qqrp0gfzcs2hgq1mrmv1srss"))))
     (build-system gnu-build-system)
     (arguments
      '(#:phases (alist-cons-after
@@ -298,36 +298,8 @@ metadata.")
     (license license:bsd-3)))
 
 (define-public geiser-next
-  ;; Geiser's upcoming version supports Chibi and Chez, while it was forgot to
-  ;; include some required files in 0.9.  When the next Geiser release comes
-  ;; out, we can remove this.
-  (let ((commit "16035b9fa475496f7f89a57fa81455057af749a0")
-        (revision "1"))
-    (package
-      (inherit geiser)
-      (name "geiser-next")
-      (version (string-append "0.9-" revision "." (string-take commit 7)))
-      (source (origin
-                (method git-fetch)
-                (file-name (string-append name "-" version ".tar.gz"))
-                (uri (git-reference
-                      (url "git://git.sv.gnu.org/geiser.git")
-                      (commit commit)))
-                (sha256
-                 (base32
-                  "1rrafizrhjkai0msryjiz4c5dcdyihf0i2wmgiy8br74rwbxpyl5"))))
-      (native-inputs
-       `(("autoconf" ,autoconf)
-         ("automake" ,automake)
-         ("texinfo" ,texinfo)
-         ,@(package-native-inputs geiser)))
-      (arguments
-       (substitute-keyword-arguments (package-arguments geiser)
-         ((#:phases phases)
-          `(modify-phases ,phases
-             (add-after 'unpack 'autogen
-               (lambda _
-                 (zero? (system* "sh" "autogen.sh")))))))))))
+  ;; This has become "geiser".
+  (deprecated-package "geiser-next" geiser))
 
 (define-public paredit
   (package