gnu: r-crayon: Update to 1.4.1.

* gnu/packages/statistics.scm (r-crayon): Update to 1.4.1.
[propagated-inputs]: Remove r-memoise.

gnu/packages/statistics.scm

@@ -1544,16 +1544,14 @@ you call it again with the same arguments it returns the pre-computed value.")
 (define-public r-crayon
   (package
     (name "r-crayon")
-    (version "1.3.4")
+    (version "1.4.1")
     (source (origin
               (method url-fetch)
               (uri (cran-uri "crayon" version))
               (sha256
                (base32
-                "0s7s6vc3ww8pzanpjisym4jjvwcc5pi2qg8srx7jqlz9j3wrnvpw"))))
+                "1ir963s6zk9l32fw257y54p7898cd7z7yazkn9h6j2cdfhpf9dh8"))))
     (build-system r-build-system)
-    (propagated-inputs
-     `(("r-memoise" ,r-memoise)))
     (home-page "https://github.com/gaborcsardi/crayon")
     (synopsis "Colored terminal output for R")
     (description