gnu: Remove python-case.

* gnu/packages/python-check.scm (python-case): Delete variable.

Fixes: guix/guix#1742
Change-Id: I8963eae23565ecc3bd2157f42e3f91154f71d56b

gnu/packages/python-check.scm

@@ -365,26 +365,6 @@ all the files it generates a report.")
 written in pure Python.")
     (license license:expat)))
 
-(define-deprecated/public python-case #f
-  (package
-    (name "python-case")
-    (version "1.5.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (pypi-uri "case" version))
-       (sha256
-        (base32 "1cagg06vfph864s6l5jb0zqliwxh647bki8j6lf4a4qrv40jnhs8"))))
-    (build-system pyproject-build-system)
-    (propagated-inputs (list python-mock python-nose python-six))
-    (native-inputs (list python-setuptools python-wheel))
-    (home-page "https://github.com/celery/case")
-    (synopsis "Unittest utilities and convenience methods")
-    (description
-     "The @code{case} package provides utilities on top of unittest, including
-some helpful Python 2 compatibility convenience methods.")
-    (license license:bsd-3)))
-
 (define-public python-codacy-coverage
   (package
     (name "python-codacy-coverage")