gnu: Remove ocaml4.07-ppx-fail.

* gnu/packages/ocaml.scm (ocaml4.07-ppx-fail): Remove variable.
(ocaml-ppx-fail)[properties]: Remove variant.

Change-Id: Iec707f415906d109a2eb2076477c2bfecc27bcc8

gnu/packages/ocaml.scm

@@ -7381,32 +7381,13 @@ match expressions, and if expressions.")
           (base32 "012p9gv7w4sk3b4x0sdmqrmr2856w8xc424waxb6vrybid7qjs95"))))
     (build-system dune-build-system)
     (propagated-inputs (list ocaml-base ocaml-ppx-here ocaml-ppxlib))
-    (properties `((upstream-name . "ppx_fail")
-                  (ocaml4.07-variant . ,(delay ocaml4.07-ppx-fail))))
+    (properties `((upstream-name . "ppx_fail")))
     (home-page "https://github.com/janestreet/ppx_fail")
     (synopsis "Add location to calls to failwiths")
     (description "Syntax extension that makes [failwiths] always include a
 position.")
     (license license:expat)))
 
-(define-public ocaml4.07-ppx-fail
-  (package-with-ocaml4.07
-    (package
-      (inherit ocaml-ppx-fail)
-      (version "0.11.0")
-      (source (origin
-                (method url-fetch)
-                (uri (string-append "https://ocaml.janestreet.com/ocaml-core/v"
-                                    (version-major+minor version)
-                                    "/files/ppx_fail-v" version ".tar.gz"))
-                (sha256
-                 (base32
-                  "07plqsvljiwvngggfypwq55g46s5my55y45mvlmalrxyppzr03s8"))))
-      (propagated-inputs
-        (list ocaml-base ocaml-ppx-here ocaml-migrate-parsetree ocaml-ppxlib))
-      (properties '())
-      (license license:asl2.0))))
-
 (define-public ocaml-ppx-cold
   (package
     (name "ocaml-ppx-cold")