gnu: Remove rust-mockito-0.23.

* gnu/packages/crates-io.scm (rust-mockito-0.23): Delete variable.

gnu/packages/crates-io.scm

@@ -33352,40 +33352,6 @@ IOCP and Async I/O abstractions.")
        #:cargo-development-inputs
        (("rust-rand" ,rust-rand-0.3))))))
 
-(define-public rust-mockito-0.23
-  (package
-    (name "rust-mockito")
-    (version "0.23.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "mockito" version))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "0kh2wg24441miqcnrp2miaapphn8wgm18x23yjq45pajsjxfd0mf"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:cargo-test-flags
-       '("--release"
-         "--"
-         "--skip=test_assert_with_last_unmatched_request"
-         "--skip=test_assert_with_last_unmatched_request_and_headers")
-       #:cargo-inputs
-       (("rust-assert-json-diff" ,rust-assert-json-diff-1)
-        ("rust-colored" ,rust-colored-1)
-        ("rust-difference" ,rust-difference-2)
-        ("rust-httparse" ,rust-httparse-1)
-        ("rust-lazy-static" ,rust-lazy-static-1)
-        ("rust-log" ,rust-log-0.4)
-        ("rust-percent-encoding" ,rust-percent-encoding-2)
-        ("rust-rand" ,rust-rand-0.7)
-        ("rust-regex" ,rust-regex-1)
-        ("rust-serde-json" ,rust-serde-json-1))))
-    (home-page "https://github.com/lipanski/mockito")
-    (synopsis "HTTP mocking for Rust")
-    (description "This crate provides HTTP mocking for Rust.")
-    (license license:expat)))
-
 (define-public rust-model-0.1
   (package
     (name "rust-model")