gnu: Remove rust-wasi-0.5.

* gnu/packages/crates-io.scm (rust-wasi-0.5): Delete variable.

gnu/packages/crates-io.scm

@@ -68523,26 +68523,6 @@ result.")
     (license (list license:asl2.0
                    license:expat))))
 
-(define-public rust-wasi-0.5
-  (package
-    (name "rust-wasi")
-    (version "0.5.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "wasi" version))
-       (file-name
-        (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1ir3pd4phdfml0cbziw9bqp7mnk0vfp9biy8bh25lln6raml4m7x"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/CraneStation/rust-wasi")
-    (synopsis "Experimental WASI API bindings for Rust")
-    (description "This package contains experimental WASI API bindings
-in Rust.")
-    (license license:asl2.0)))
-
 (define-public rust-wasm-bindgen-0.2
   (package
     (name "rust-wasm-bindgen")