gnu: Remove rust-aster-0.41.

* gnu/packages/crates-io.scm (rust-aster-0.41): Delete variable.

gnu/packages/crates-io.scm

@@ -4476,31 +4476,6 @@ objects are the same.")
 capacity and random or least recently used (LRU) replacement.")
     (license (list license:expat license:asl2.0))))
 
-(define-public rust-aster-0.41
-  (package
-    (name "rust-aster")
-    (version "0.41.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "aster" version))
-       (file-name
-        (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1q704kn23wnwnrxml7w1mxw6a3xb6386x5wgys6ibnyramrxzksc"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
-       (("rust-clippy" ,rust-clippy-0.0)
-        ("rust-compiletest-rs" ,rust-compiletest-rs-0.2)
-        ("rust-syntex-syntax" ,rust-syntex-syntax-0.58))))
-    (home-page "https://github.com/serde-rs/aster")
-    (synopsis "Libsyntax ast builder")
-    (description "This package provides a libsyntax ast builder.")
-    (license (list license:expat license:asl2.0))))
-
 (define-public rust-async-attributes-1
   (package
     (name "rust-async-attributes")