rekahsoft-gnu: Remove emacs-mu4e-maildirs-extension

This functionality is now built in to mu4e.

rekahsoft-gnu/packages/emacs-xyz.scm

@@ -213,47 +213,6 @@ Functions and variables with // in their name are private and may change or
 go away at any time.")
     (license #f)))
 
-;; TODO: ./rekahsoft-gnu/packages/emacs-xyz.scm:323:6: emacs-mu4e-maildirs-extension@20180606.812: URI https://melpa.org/packages/mu4e-maildirs-extension-20180606.812.el not reachable: 404 ("Not Found")
-(define-public emacs-mu4e-maildirs-extension
-  (package
-    (name "emacs-mu4e-maildirs-extension")
-    (version "20180606.812")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://melpa.org/packages/mu4e-maildirs-extension-"
-                    version ".el"))
-              (sha256
-               (base32
-                "0rcn8mkabhn3w010hchr3xg72z7815j8fshfrcgxxcf9kygsg85b"))))
-    (build-system emacs-build-system)
-    (propagated-inputs `(("emacs-dash" ,emacs-dash)))
-    (arguments
-     '(#:phases (modify-phases %standard-phases
-                  (replace 'build
-                    (lambda* (#:key outputs #:allow-other-keys)
-                      (invoke "emacs"
-                       "-batch"
-                       "--eval"
-                       "(provide 'mu4e)"
-                       "--eval"
-                       "(defvar mu4e~main-buffer-name \"tests\")"
-                       "--eval"
-                       "(defvar mu4e-mu-binary \"mu\")"
-                       "--eval"
-                       "(require 'cl)"
-                       "-l"
-                       "dash.el"
-                       "-l"
-                       "mu4e-maildirs-extension.el"
-                       "--eval"
-                       "(byte-compile-file \"mu4e-maildirs-extension.el\")"))))))
-    (home-page "https://github.com/agpchil/mu4e-maildirs-extension")
-    (synopsis "Show mu4e maildirs summary in mu4e-main-view")
-    (description "Runs a mu command (async) in a shell process for each
-maildir to count unread and total mails.")
-    (license license:gpl3)))
-
 (define-public emacs-helm-unicode
   (package
     (name "emacs-helm-unicode")