gnu: Remove rust-lyon-extra-0.17.

* gnu/packages/crates-graphics.scm (rust-lyon-extra-0.17): Delete variable.

gnu/packages/crates-graphics.scm

@@ -1428,29 +1428,6 @@ pixel buffers with width, height and stride.")
 graphics and video games.")
     (license license:expat)))
 
-(define-public rust-lyon-extra-0.17
-  (package
-    (name "rust-lyon-extra")
-    (version "0.17.1")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "lyon_extra" version))
-        (file-name (string-append name "-" version ".tar.gz"))
-        (sha256
-          (base32 "10n8h48a363qa66byqfkg164542p97v5rrnb33gqhggah739nwm0"))))
-    (build-system cargo-build-system)
-    (arguments
-      `(#:skip-build?
-        #t
-        #:cargo-inputs
-        (("rust-lyon-path" ,rust-lyon-path-0.17)
-         ("rust-lyon-svg" ,rust-lyon-svg-0.17))))
-    (home-page "https://github.com/nical/lyon")
-    (synopsis "Optional utilities for the lyon crate")
-    (description "This package provides optional utilities for the lyon crate.")
-    (license (list license:expat license:asl2.0))))
-
 (define-public rust-lyon-geom-0.17
   (package
     (name "rust-lyon-geom")