gnu: Remove python2-cram.

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

gnu/packages/python-xyz.scm

@@ -11501,9 +11501,6 @@ command and compares the command output in the test with the command’s actual
 output.")
     (license license:gpl2+)))
 
-(define-public python2-cram
-  (package-with-python2 python-cram))
-
 (define-public python-crccheck
   (package
     (name "python-crccheck")