gnu: Remove rust-crates-index-0.5.

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

Change-Id: I5bd602409751155d217bea0ad8ac8194c10ee164

gnu/packages/crates-io.scm

@@ -13864,28 +13864,6 @@ mile, ...).")
        #:cargo-development-inputs
        (("rust-tempdir" ,rust-tempdir-0.3))))))
 
-(define-public rust-crates-index-0.5
-  (package
-    (inherit rust-crates-index-0.13)
-    (name "rust-crates-index-5")
-    (version "0.5.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "crates-index" version))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "1gak1czvvdz7l00vkkj61srrfa1sj2yl4ydghhgywydby5qh3mlg"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:tests? #f                      ;"curl error: Could not resolve host: github.com\n"
-       #:cargo-inputs
-       (("rust-git2" ,rust-git2-0.6)
-        ("rust-glob" ,rust-glob-0.2)
-        ("rust-rustc-serialize" ,rust-rustc-serialize-0.3))))
-    (native-inputs (list pkg-config))
-    (inputs (list zlib openssl libssh2 curl cmake))))
-
 (define-public rust-crates-io-0.39
   (package
     (name "rust-crates-io")