gnu: go-github-com-pkg-xattr: Move to golang-xyz.

* gnu/packages/golang.scm (go-github-com-pkg-xattr): Move from here ...
* gnu/packages/golang-xyz.scm: ... to here.

Change-Id: I4dd02064c98ab0534c2a76e6e709bc1a48089213

gnu/packages/golang.scm

@@ -1367,36 +1367,6 @@ the first isn't available.
 @end itemize")
     (license license:expat)))
 
-(define-public go-github-com-pkg-xattr
-  (package
-    (name "go-github-com-pkg-xattr")
-    (version "0.4.10")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/pkg/xattr")
-                    (commit (string-append "v" version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "0rxvfiwgd0z9alj4n8jympmyi68zh1swf3siim8r2h01nm4i0vqh"))))
-    (build-system go-build-system)
-    (arguments
-     '(#:import-path "github.com/pkg/xattr"))
-    (native-inputs (list go-golang-org-x-sys))
-    (home-page "https://github.com/pkg/xattr")
-    (synopsis "Support for extended file system attributes")
-    (description
-     "Package xattr provides support for extended attributes on Linux, Darwin and
-FreeBSD.  Extended attributes are name:value pairs permanently associated with
-files or directories.  They are similar to the environment strings associated with
-a process.  An attribute may be defined or undefined.  If defined, its value may
-be empty or non-empty.  You can find more details here:
-@@url{https://en.wikipedia.org/wiki/Extended_file_attributes,
-https://en.wikipedia.org/wiki/Extended_file_attributes}
-.")
-    (license license:bsd-2)))
-
 (define-public go-github-com-schachmat-ingo
   (package
     (name "go-github-com-schachmat-ingo")