gnu: Remove rust-try-lock-0.1.

* gnu/packages/crates-io.scm (rust-try-lock-0.1): Delete variable.

gnu/packages/crates-io.scm

@@ -66531,21 +66531,6 @@ the Trust-DNS client to use rustls for TLS.")
      "This package provides a lightweight atomic lock.")
     (license license:expat)))
 
-(define-public rust-try-lock-0.1
-  (package
-    (inherit rust-try-lock-0.2)
-    (name "rust-try-lock")
-    (version "0.1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "try-lock" version))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "1hp76pyzyxhcxxjacf083gpp6gf8cqwkg188yy02i2a3axqs8apf"))))
-    (build-system cargo-build-system)
-    (arguments `(#:skip-build? #t))))
-
 (define-public rust-trybuild-1
   (package
     (name "rust-trybuild")