Dereference network-manager.conf from netman.py

Removed conf/network-manager.conf use from netman.py.
Instead using mapper call to retrieve network inventory path.

Change-Id: Ifaa5d356c7ba59791303401df6bb2cbcecf70729
Signed-off-by: Dinesh Chinari <chinari@us.ibm.com>
2 files changed