issue 673 making changes per micah

chart/templates/logging/elasticsearch-kibana/secret-ca.yaml

 {{- if and (or .Values.logging.enabled) .Values.logging.sso.enabled }}
-
 apiVersion: v1
 kind: Secret
 metadata:

chart/values.yaml

@@ -57,7 +57,7 @@ sso:
     realm: baby-yoda
 
   # -- Keycloak's certificate authority (PEM Format). Entered using chomp modifier (see chart/dev-sso-values.yaml for example). Used by authservice to support SSO for various packages
-  certificate_authority: ""
+  certificate_authority: "null"
 
   # -- Keycloak realm's json web key output, obtained at https://<keycloak-server>/auth/realms/<realm>/protocol/openid-connect/certs
   jwks: ''