gnu: Remove rust-rustls-ffi-0.8.

* gnu/packages/crates-io.scm (rust-rustls-ffi-0.8): Delete variable.

gnu/packages/crates-io.scm

@@ -50782,37 +50782,6 @@ rustc compiler.")
         ("rust-serde-derive" ,rust-serde-derive-1)
         ("rust-webpki-roots" ,rust-webpki-roots-0.14))))))
 
-(define-public rust-rustls-ffi-0.8
-  (package
-    (name "rust-rustls-ffi")
-    (version "0.8.2")
-    (source (origin
-              (method url-fetch)
-              (uri (crate-uri "rustls-ffi" version))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "06kqrvm1d5ps9pml26zdd2hm8hh20j6svwvqibpnx7m5rh3jg9cx"))))
-    (build-system cargo-build-system)
-    ;; Build needs cbindgen-0.19
-    (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
-       (("rust-libc" ,rust-libc-0.2)
-        ("rust-log" ,rust-log-0.4)
-        ("rust-num-enum" ,rust-num-enum-0.5)
-        ("rust-rustls" ,rust-rustls-0.20)
-        ("rust-rustls-pemfile" ,rust-rustls-pemfile-0.2)
-        ("rust-sct" ,rust-sct-0.7)
-        ("rust-webpki" ,rust-webpki-0.22))))
-    (home-page "https://github.com/rustls/rustls-ffi")
-    (synopsis "C to rustls bindings")
-    (description "This package contains FFI bindings for the rustls TLS
-library, so you can use the library in C programs or any other language that
-supports FFI.")
-    ;; Use under the terms of any of these licenses
-    (license (list license:asl2.0 license:isc license:expat))))
-
 (define-public rust-rustls-native-certs-0.6
   (package
     (name "rust-rustls-native-certs")