gnu: Remove rust-want-0.0.

* gnu/packages/crates-io.scm (rust-want-0.0): Delete variable.

gnu/packages/crates-io.scm

@@ -65099,26 +65099,6 @@ result.")
     (description "Detect when another Future wants a result.")
     (license license:expat)))
 
-(define-public rust-want-0.0
-  (package
-    (inherit rust-want-0.3)
-    (name "rust-want")
-    (version "0.0.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "want" version))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "1l9mbh4a0r2m3s8nckhy1vz9qm6lxsswlgxpimf4pyjkcyb9spd0"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
-       (("rust-futures" ,rust-futures-0.1)
-        ("rust-log" ,rust-log-0.4)
-        ("rust-try-lock" ,rust-try-lock-0.1))))))
-
 (define-public rust-warp-0.2
   (package
     (name "rust-warp")