gnu: Remove rust-secrecy-0.6.

* gnu/packages/crates-io.scm (rust-secrecy-0.6): Delete variable.

gnu/packages/crates-io.scm

@@ -50235,33 +50235,6 @@ statistical guarantees.")
     (description "This package provides low-level bindings to libseccomp.")
     (license license:lgpl2.1)))
 
-(define-public rust-secrecy-0.6
-  (package
-    (name "rust-secrecy")
-    (version "0.6.0")
-    (source (origin
-              (method url-fetch)
-              (uri (crate-uri "secrecy" version))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "03q7h4yswpbrgxgn6wk9dyhilqhwcbhgwyy2m5vk9ps5ss72g0li"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
-       (("rust-bytes" ,rust-bytes-0.5)
-        ("rust-serde" ,rust-serde-1)
-        ("rust-zeroize" ,rust-zeroize-1))))
-    (home-page "https://github.com/iqlusioninc/crates/")
-    (synopsis "Wrapper types and traits for secret management")
-    (description
-     "This package provides wrapper types and traits for secret management
-which help ensure they aren't
-accidentally copied, logged, or otherwise exposed, and also ensure secrets
-are securely wiped from memory when dropped.")
-    (license (list license:asl2.0 license:expat))))
-
 (define-public rust-section-testing-0.0
   (package
     (name "rust-section-testing")