gnu: Remove go-github-com-alecthomas-template.

No users in Guix, it's a fork of already available functionality in std
library.  It may be build only with go-1.17.

* gnu/packages/golang-xyz.scm (go-github-com-alecthomas-template): Delete variable.

Change-Id: Id0a47d8f4c6afa90247481ba8a9a14466714f8c6

gnu/packages/golang-xyz.scm

@@ -1054,38 +1054,6 @@ structs.  The approach is similar to how other marshallers work in Golang,
 almost directly in Go source code.")
     (license license:expat)))
 
-(define-public go-github-com-alecthomas-template
-  ;; No release, see <https://github.com/alecthomas/template/issues/7>.
-  (let ((commit "a0175ee3bccc567396460bf5acd36800cb10c49c")
-        (revision "0"))
-    (package
-      (name "go-github-com-alecthomas-template")
-      (version (git-version "0.0.0" revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/alecthomas/template")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32 "0qjgvvh26vk1cyfq9fadyhfgdj36f1iapbmr5xp6zqipldz8ffxj"))))
-      (build-system go-build-system)
-      (arguments
-       (list
-        ;; XXX: Failing on a newer Golang version: FAIL: TestJSEscaping
-        ;; (0.00s) exec_test.go:757: JS escaping [unprintable ﷿] got
-        ;; [unprintable ﷿] want [unprintable \uFDFF]
-        #:go go-1.17
-        #:import-path "github.com/alecthomas/template"))
-      (home-page "https://github.com/alecthomas/template")
-      (synopsis "Fork of Go's text/template adding newline elision")
-      (description
-       "This is a fork of Go 1.4's text/template package with one addition: a
-backslash immediately after a closing delimiter will delete all subsequent
-newlines until a non-newline.")
-      (license license:bsd-3))))
-
 (define-public go-github-com-alecthomas-units
   ;; No release, see <https://github.com/alecthomas/units/issues/9>.
   (let ((commit "2efee857e7cfd4f3d0138cc3cbb1b4966962b93a")