gnu: Remove rust-ichwh-0.3.

* gnu/packages/crates-graphics.scm (rust-ichwh-0.3): Delete variable.

gnu/packages/crates-graphics.scm

@@ -1265,33 +1265,6 @@ EUI-64, also known as MAC-48 media access control addresses.")
 similar formats like VCard.")
     (license license:asl2.0)))
 
-(define-public rust-ichwh-0.3
-  (package
-    (name "rust-ichwh")
-    (version "0.3.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "ichwh" version))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "0m6628yw3l812hjknmh5b5gcvhn6as9gzjz60h54zjxyy4w5ss7a"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
-       (("rust-async-std" ,rust-async-std-1)
-        ("rust-cfg-if" ,rust-cfg-if-0.1)
-        ("rust-futures" ,rust-futures-0.3)
-        ("rust-thiserror" ,rust-thiserror-1))))
-    (home-page "https://gitlab.com/avandesa/ichwh-rs")
-    (synopsis "Asynchronous implementation of @command{which}")
-    (description
-     "@code{ichwh} aims to be a fully-asynchronous clone of GNU which.  The
-main job of @command{which} is to search for executables on the current
-PATH.")
-    (license license:expat)))
-
 (define-public rust-image-0.23
   (package
     (name "rust-image")