gnu: python2-pathpy: Remove package.

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

gnu/packages/python-xyz.scm

@@ -6846,9 +6846,6 @@ (define-public python-pathpy
 common operations on files to be invoked on those path objects directly.")
     (license license:expat)))
-(define-public python2-pathpy
-  (package-with-python2 python-pathpy))
-
 (define-public python-simplegeneric
   (package
     (name "python-simplegeneric")