Remove check-python2-support tool

Change-Id: Ibf201417a67c94370f3cdb881e5e1f324b7f47a6
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>

Author: stephenfin

openstack_requirements/cmds/check_py2.py

@@ -33,5 +33,4 @@ console_scripts =
     validate-constraints = openstack_requirements.cmds.validate:main
     validate-projects = openstack_requirements.cmds.validate_projects:main
     normalize-requirements = openstack_requirements.cmds.normalize_requirements:main
-    check-python2-support = openstack_requirements.cmds.check_py2:main
     check-constraints = openstack_requirements.cmds.check_exists:main