gnu: Remove rust-rustc-ap-rustc-span-654.

* gnu/packages/crates-io.scm (rust-rustc-ap-rustc-span-654): Delete variable.

gnu/packages/crates-io.scm

@@ -48270,44 +48270,6 @@ It is automatically published using the compiler repository at
 @url{https://www.github.com/rust-lang/rust}.")
     (license (list license:expat license:asl2.0))))
 
-(define-public rust-rustc-ap-rustc-span-654
-  (package
-    (name "rust-rustc-ap-rustc-span")
-    (version "654.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "rustc-ap-rustc_span" version))
-       (file-name
-        (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0hj23syxxqqmk1y4kdvb0cb0xxi8wy429hhyd27bbmpya1h18j56"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
-       (("rust-cfg-if" ,rust-cfg-if-0.1)
-        ("rust-log" ,rust-log-0.4)
-        ("rust-md-5" ,rust-md-5-0.8)
-        ("rust-rustc-ap-arena" ,rust-rustc-ap-arena-654)
-        ("rust-rustc-ap-rustc-data-structures"
-         ,rust-rustc-ap-rustc-data-structures-654)
-        ("rust-rustc-ap-rustc-index" ,rust-rustc-ap-rustc-index-654)
-        ("rust-rustc-ap-rustc-macros" ,rust-rustc-ap-rustc-macros-654)
-        ("rust-rustc-ap-serialize" ,rust-rustc-ap-serialize-654)
-        ("rust-scoped-tls" ,rust-scoped-tls-1)
-        ("rust-sha-1" ,rust-sha-1-0.8)
-        ("rust-unicode-width" ,rust-unicode-width-0.1))))
-    (home-page "https://github.com/alexcrichton/rustc-auto-publish")
-    (synopsis
-     "Automatically published version of the source code spans used in rustc")
-    (description
-     "Use the spans used in the Rust compiler to represent source code with
-this crate.  It is automatically published using the compiler repository at
-@url{https://www.github.com/rust-lang/rust}")
-    (license (list license:expat license:asl2.0))))
-
 (define-public rust-rustc-ap-serialize-654
   (package
     (name "rust-rustc-ap-serialize")