Remove code that restricted daemonset pods to single containers.
Container names will default to name from helm chart template.
Required for nova cold migrations to work.
Story: 2003876
Task: 26735
Change-Id: Icce660415d43baefbbf768a785c5dedf04ea2930
Signed-off-by: Gerry Kopec <Gerry.Kopec@windriver.com>