gnu: Remove go-github-com-kyoh86-xdg.

Not in use by any packages in Guix: "This repository has been archived by
the owner on May 25, 2021. It is now read-only."

* gnu/packages/golang.scm (go-github-com-kyoh86-xdg): Delete variable.

Change-Id: If80ceb32e4624f08d04cb0270341cac41e6b11fb

gnu/packages/golang.scm

@@ -8047,30 +8047,6 @@ of the current user.")
      "This package provides fast natural language detection in Go.")
     (license license:expat)))
 
-(define-public go-github-com-kyoh86-xdg
-  (package
-    (name "go-github-com-kyoh86-xdg")
-    (version "1.2.0")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/kyoh86/xdg")
-                    (commit (string-append "v" version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "0a5nz53fdz1c2qvwlf2dpjdd72nxri95i6q4b07c37kiipgaxncn"))))
-    (build-system go-build-system)
-    (arguments
-     (list #:import-path "github.com/kyoh86/xdg"))
-    (home-page "https://github.com/kyoh86/xdg")
-    (synopsis "XDG base directories for Go")
-    (description
-     "The xdg package provides lightweight helper functions in Go to get
-config, data and cache directories according to the XDG Base Directory
-Specification.")
-    (license license:expat)))
-
 (define-public go-github-com-ssgelm-cookiejarparser
   (package
     (name "go-github-com-ssgelm-cookiejarparser")