gnu: Remove rust-simd-0.1.

* gnu/packages/crates-io.scm (rust-simd-0.1): Delete variable.

gnu/packages/crates-io.scm

@@ -55613,28 +55613,6 @@ (define-public rust-simd-0.2
 ")
     (license (list license:expat license:asl2.0))))
 
-(define-public rust-simd-0.1
-  (package
-    (inherit rust-simd-0.2)
-    (name "rust-simd")
-    (version "0.1.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "simd" version))
-       (file-name
-        (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "08vhhz1w5m7amfp1d9lvfyyzl0jqjm82hrr7fb7afv3n5my89db3"))))
-    (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
-       (("rust-serde" ,rust-serde-0.4)
-        ("rust-serde-macros" ,rust-serde-macros-0.4))
-       #:cargo-development-inputs
-       (("rust-cfg-if" ,rust-cfg-if-0.1))))))
-
 (define-public rust-simd-adler32-0.3
   (package
     (name "rust-simd-adler32")