gnu: Remove python-anyio/without-dataclasses.

* gnu/packages/python-xyz.scm (python-anyio/without-dataclasses): Remove
variable.
* gnu/packages/jupyter.scm (python-jupyter-server)[propagated-inputs]: Replace
python-anyio/without-dataclasses with python-anyio.

Change-Id: I81433128fc3ed2f098bd84f1f89555e9dda62d6d

gnu/packages/jupyter.scm

@@ -594,7 +594,7 @@ JavaScript build steps.")
               (setenv "PATH"
                       (string-append #$output "/bin:" (getenv "PATH"))))))))
     (propagated-inputs
-     (list python-anyio/without-dataclasses
+     (list python-anyio
            python-argon2-cffi
            python-jinja2
            python-jupyter-client

gnu/packages/python-xyz.scm

@@ -32645,17 +32645,6 @@ concurrency on top of asyncio, and works in harmony with the native SC of trio
 itself.")
     (license license:expat)))
 
-;; TODO: This will become the default on the python-team branch.  Dataclasses
-;; is part of Python.
-(define-public python-anyio/without-dataclasses
-  (package
-    (inherit python-anyio)
-    (propagated-inputs
-     (list python-contextvars
-           python-idna
-           python-sniffio
-           python-typing-extensions))))
-
 (define-public python-argh
   ;; There are 21 commits since the latest release containing important
   ;; improvements.