gnu: Remove python2-selectors2.

* gnu/packages/python-xyz.scm (python2-selectors2): Remove variable.

gnu/packages/python-xyz.scm

@@ -14319,29 +14319,6 @@ functionality in a modular way, allowing you to extend your panel with your
 own code, responding to click events and updating clock every second.")
     (license license:bsd-3)))
 
-(define-public python2-selectors2
-  (package
-    (name "python2-selectors2")
-    (version "2.0.1")
-    (source (origin
-              (method url-fetch)
-              (uri (pypi-uri "selectors2" version))
-              (sha256
-               (base32
-                "110qr00b9axz1f1jm12b495jkvrz80smknxvssqlhwk0dx67rdw1"))))
-    (build-system python-build-system)
-    (arguments
-     `(#:python ,python-2))
-    (native-inputs
-     `(("python2-mock" ,python2-mock)
-       ("python2-psutil" ,python2-psutil)))
-    (home-page "https://www.github.com/SethMichaelLarson/selectors2")
-    (synopsis "Backport of the selectors module from Python 3.5+")
-    (description
-     "This package provides a drop-in replacement for the @code{selectors}
-module in Python 3.5 and later.")
-    (license license:expat)))
-
 (define-public python-tblib
   (package
     (name "python-tblib")