gnu: go-golang-org-x-sys: Simplify.

* gnu/packages/golang-build.scm (go-golang-org-x-sys):
[arguments] <skip-build?>: Set to #t, as no go files in project's root.
<phases>: Use default 'check.
[description]: Start from a new line.

Change-Id: If62fa5926652a53cfe4c680d9a21b2ad5847cfeb

gnu/packages/golang-build.scm

@@ -776,21 +776,13 @@ cancelation for groups of goroutines working on subtasks of a common task
     (build-system go-build-system)
     (arguments
      (list
-      #:import-path "golang.org/x/sys"
+      #:skip-build? #t
-      #:phases
+      #:import-path "golang.org/x/sys"))
-      #~(modify-phases %standard-phases
-          ;; XXX: Workaround for go-build-system's lack of Go modules
-          ;; support.
-          (delete 'build)
-          (replace 'check
-            (lambda* (#:key tests? import-path #:allow-other-keys)
-              (when tests?
-                (with-directory-excursion (string-append "src/" import-path)
-                  (invoke "go" "test" "-v" "./..."))))))))
     (home-page "https://go.googlesource.com/sys")
     (synopsis "Go support for low-level system interaction")
-    (description "This package provides supplemental libraries offering Go
+    (description
-support for low-level interaction with the operating system.")
+     "This package provides supplemental libraries offering Go support for
+low-level interaction with the operating system.")
     (license license:bsd-3)))
 
 (define-public go-golang-org-x-sys-bootstrap