gnu: r-distributional: Update to 0.4.0.

* gnu/packages/cran.scm (r-distributional): Update to 0.4.0.
[propagated-inputs]: Remove r-digest, r-farver, r-ggplot2, and r-scales.

Change-Id: Ic83e5ba2972dd32b1bbc69aad1e241739ce12480

gnu/packages/cran.scm

@@ -33533,27 +33533,19 @@ vignette for more information and examples.")
 (define-public r-distributional
   (package
     (name "r-distributional")
-    (version "0.3.2")
+    (version "0.4.0")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "distributional" version))
        (sha256
         (base32
-         "1y08s301mxz7c54lxa1j0zzbsrgphxv5hsyam3jswcw274rxd0y8"))))
+         "00p6427lw65py24qr9rlhj1wg4z5wgszgmbmbxbpjk7dkckz7d89"))))
     (properties
      `((upstream-name . "distributional")))
     (build-system r-build-system)
     (propagated-inputs
-     (list r-digest
+     (list r-generics r-lifecycle r-numderiv r-rlang r-vctrs))
-           r-farver
-           r-generics
-           r-ggplot2
-           r-lifecycle
-           r-numderiv
-           r-rlang
-           r-scales
-           r-vctrs))
     (home-page "https://pkg.mitchelloharawild.com/distributional/")
     (synopsis "Vectorized probability distributions")
     (description