gnu: Remove python2-argparse.

* gnu/packages/python-xyz.scm (python2-argparse): Delete variable.

gnu/packages/python-xyz.scm

@@ -20465,27 +20465,6 @@ builds partial trees by inspecting living objects.")
 (define-public python2-mando
   (package-with-python2 python-mando))
 
-(define-public python2-argparse
-  (package
-    (name "python2-argparse")
-    (version "1.4.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (pypi-uri "argparse" version))
-       (sha256
-        (base32
-         "1r6nznp64j68ih1k537wms7h57nvppq0szmwsaf99n71bfjqkc32"))))
-    (build-system python-build-system)
-    (arguments
-     `(#:python ,python-2))
-    (home-page "https://github.com/ThomasWaldmann/argparse/")
-    (synopsis "Python command-line parsing library")
-    (description
-     "This package is mostly for people who want to have @code{argparse} on
-     older Pythons because it was not part of the standard library back then.")
-    (license license:psfl)))
-
 (define-public python-mwclient
   (package
     (name "python-mwclient")