gnu: graphite2: Update to 1.3.6.

* gnu/packages/fontutils.scm (graphite2)[replacement]: Remove.
[version, source]: Update to 1.3.6.
(graphite2-1.3.6): Remove.

gnu/packages/fontutils.scm

@@ -203,9 +203,8 @@ applications should be.")
 
 (define-public graphite2
   (package
-   (replacement graphite2-1.3.6)
    (name "graphite2")
-   (version "1.3.5")
+   (version "1.3.6")
    (source
      (origin
        (method url-fetch)
@@ -213,8 +212,8 @@ applications should be.")
                            version ".tar.gz"))
        (file-name (string-append name "-" version ".tar.gz"))
        (sha256
-         (base32
-           "0jrjb56zim57xg2pckfdyrw46c624mqz9zywgwza0g1bxg26940w"))))
+        (base32
+         "1frd9mjaqzvh9gs74ngc43igi53vzjzlwr5chbrs6ii1hc4aa23s"))))
    (build-system cmake-build-system)
    (native-inputs
     `(("python" ,python-2) ; because of "import imap" in tests
@@ -230,21 +229,6 @@ and returns a sequence of positioned glyphids from the font.")
    (license license:lgpl2.1+)
    (home-page "https://github.com/silnrsi/graphite")))
 
-(define graphite2-1.3.6
-  (package
-    (inherit graphite2)
-    (replacement #f)
-    (source
-     (let ((name "graphite2") (version "1.3.6"))
-       (origin
-         (method url-fetch)
-         (uri (string-append "https://github.com/silnrsi/graphite/archive/"
-                             version ".tar.gz"))
-         (file-name (string-append name "-" version ".tar.gz"))
-         (sha256
-          (base32
-           "1frd9mjaqzvh9gs74ngc43igi53vzjzlwr5chbrs6ii1hc4aa23s")))))))
-
 (define-public potrace
   (package
     (name "potrace")