gnu: Remove go-github-com-calmh-du.

This repository has been archived by the owner on Nov 27, 2018. It is
now read-only.

* gnu/packages/syncthing.scm (go-github-com-calmh-du): Delete variable.

Change-Id: Ibe99cf590ea1d57d12d0fe0085b0149b372482ee

gnu/packages/syncthing.scm

@@ -213,28 +213,6 @@ notification area icon for Syncthing.  Supported Syncthing features:
 (define-public qsyncthingtray
   (deprecated-package "qsyncthingtray" syncthing-gtk))
 
-(define-public go-github-com-calmh-du
-  (package
-    (name "go-github-com-calmh-du")
-    (version "1.0.1")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/calmh/du")
-                    (commit (string-append "v" version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "0qb3a6y3p9nkyn3s66k6zcm16y8n8578qh23ddj14cxf2scrr2n2"))))
-    (build-system go-build-system)
-    (arguments
-     `(#:import-path "github.com/calmh/du"))
-    (synopsis "Get total and available disk space of a given volume")
-    (description "This is a Go implementation of `du`.  It provides disk usage
-information, such as how much storage space is available, free, and used.")
-    (home-page "https://github.com/calmh/du")
-    (license public-domain)))
-
 (define-public go-github-com-calmh-xdr
   (package
     (name "go-github-com-calmh-xdr")