The wrs_pci and wrs_providernet python files do
not exist in novaclient.
This change removes those imports.
The GUI code that is processing the results from
those imports is not currently been removed, as it may be
used by upcoming enhancements to sysinv.
Story: 2004751
Task: 29357
Change-Id: I39dfbdf60d9de008072253f1074fb2ee5c61df72
Signed-off-by: Al Bailey <Al.Bailey@windriver.com>