gnu: Remove rust-quick-csv-0.1.

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

gnu/packages/crates-io.scm

@@ -45367,27 +45367,6 @@ for MinGW-w64 and MSVC (cross-)compile targets.")
     (description "This package provides a quasi-quoting macro system.")
     (license (list license:expat license:asl2.0))))
 
-(define-public rust-quick-csv-0.1
-  (package
-    (name "rust-quick-csv")
-    (version "0.1.6")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "quick-csv" version))
-        (file-name
-         (string-append name "-" version ".tar.gz"))
-        (sha256
-         (base32 "131k8zzlplk2h62wz813jbvm0sk7v3mixwhhq34y9lmp3mqbgx7d"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:cargo-inputs
-       (("rust-rustc-serialize" ,rust-rustc-serialize-0.3))))
-    (home-page "https://github.com/tafia/quick-csv")
-    (synopsis "Quick csv reader and decoder")
-    (description "This package provides a quick csv reader and decoder in Rust.")
-    (license license:expat)))
-
 (define-public rust-quick-error-2
   (package
     (name "rust-quick-error")