gnu: r-purrr: Update to 0.2.3.

* gnu/packages/statistics.scm (r-purrr): Update to 0.2.3.
[propagated-inputs]: Remove r-rcpp and r-lazyeval; add r-rlang.

gnu/packages/statistics.scm

@@ -3591,20 +3591,19 @@ It uses and relies on grid graphics and formal (S4) classes and methods.")
 (define-public r-purrr
   (package
     (name "r-purrr")
-    (version "0.2.2.2")
+    (version "0.2.3")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "purrr" version))
        (sha256
         (base32
-         "1i1n651xf15489pd6xjdvyp8wyayn8p33d27br39mddn1xdjrpc1"))))
+         "0j1y0nbvljcis9hgic4wbbzslcsidhpw0wzs7d2hx7a2ygi6mkma"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-tibble" ,r-tibble)
-       ("r-lazyeval" ,r-lazyeval)
        ("r-magrittr" ,r-magrittr)
-       ("r-rcpp" ,r-rcpp)))
+       ("r-rlang" ,r-rlang)))
     (home-page "https://github.com/hadley/purrr")
     (synopsis "Functional programming tools")
     (description