Update README.md

Author: pleimer

README.md

@@ -13,11 +13,6 @@ first from the Community Operators catalog source. Then, run the following:
 oc create -f deploy/subscription.yaml \
         -f deploy/grafana.yaml
 
-# datasources
-ES_PASSWORD=$(oc get secret elasticsearch-es-elastic-user \
--ogo-template='{{ .data.elastic | base64decode }}') && \
-sed "s/ES_PASSWORD/$ES_PASSWORD/g" deploy/datasource.yaml | oc apply -f -
-
 # dashboards
 oc create -f deploy/rhos-dashboard.yaml \
         -f deploy/rhos-cloud-dashboard.yaml