Below DCAE components (under https://git.onap.org/oom/tree/kubernetes/dcaegen2/components) has password reference which needs to be removed.

dcae-bootstrap   
dcae-cloudify-manager  
dcae-dashboard   
dcae-deployment-handler   
dcae-inventory-api   
dcae-policy-handler    
dcae-servicechange-handler

The attachment provides the actual configuration files needing to be updated.