gnu: Remove rust-unicode-categories-0.1.

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

gnu/packages/crates-io.scm

@@ -63942,27 +63942,6 @@ Unicode and Internationalization Crates (UNIC) project.")
      "Implementation of the Unicode Bidirectional Algorithm.")
     (license (list license:asl2.0 license:expat))))
 
-(define-public rust-unicode-categories-0.1
-  (package
-    (name "rust-unicode-categories")
-    (version "0.1.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "unicode_categories" version))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "0kp1d7fryxxm7hqywbk88yb9d1avsam9sg76xh36k5qx2arj9v1r"))))
-    (build-system cargo-build-system)
-    (arguments `(#:skip-build? #t))
-    (home-page "https://github.com/swgillespie/unicode-categories")
-    (synopsis "Query Unicode category membership for chars")
-    (description
-     "unicode-categories is a simple crate that adds many extensions to the
-char type that allow for the querying if whether or not a character is
-a member of a certain category of Unicode characters.")
-    (license (list license:expat license:asl2.0))))
-
 (define-public rust-unicode-ident-1
   (package
     (name "rust-unicode-ident")