Remove redundant connection tests
Remove redundant connection tests

These tests are vestiges of when connection would do module
loading.  test_module_loader covers these cases.

Change-Id: Ifd45c501a1eeaa4e966fdf56fce2cbde45f91155

stackforge/python-openstacksdk,mtougeron/python-openstacksdk,stackforge/python-openstacksdk,briancurtin/python-openstacksdk,dtroyer/python-openstacksdk,openstack/python-openstacksdk,dudymas/python-openstacksdk,briancurtin/python-openstacksdk,dtroyer/python-openstacksdk,mtougeron/python-openstacksdk,dudymas/python-openstacksdk,openstack/python-openstacksdk