gnu: Remove rust-directories-2.

* gnu/packages/crates-io.scm (rust-directories-2): Delete variable.

gnu/packages/crates-io.scm

@@ -17224,24 +17224,6 @@ Directory guidelines on macOS.")
        #:cargo-development-inputs
        (("rust-bencher" ,rust-bencher-0.1))))))
 
-(define-public rust-directories-2
-  (package
-    (inherit rust-directories-3)
-    (name "rust-directories")
-    (version "2.0.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "directories" version))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "071pjx760m0dccdxlhwsz9m0zl180hxwlag62bydfl54fa0pf6jm"))))
-    (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
-       (("rust-cfg-if" ,rust-cfg-if-0.1)
-        ("rust-dirs-sys" ,rust-dirs-sys-0.3))))))
-
 (define-public rust-directories-next-2
   (package
     (name "rust-directories-next")