[MOLECULE 3.3.0] Drop scenario name in molecule.yml

In Molecule 3.x.x it's no longer needed, scenario name is assumed
from its directory name.

Ref.: https://github.com/ansible-community/molecule/issues/2560

Change-Id: I3b25dae499d4f40851ac3fe0183ee7ab913b7dd7
Issue-ID: OOM-2722
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
35 files changed