Remove redundant default persistence from core.yaml

Signed-off-by: Alexandros Filios <alexandros.filios@ibm.com>

Author: alexandrosfilios

integration/nwo/token/fabric/template.go

@@ -38,16 +38,36 @@ token:
               - {{ . }}{{ end }}
       {{ end }}
  
+{{- if and (ne TokenPersistence "") (ne TokenPersistence "default") }}
       tokendb:
         persistence: {{ TokenPersistence }}
+{{- else }}
+      # tokendb.persistence omitted
+{{- end }}
+{{- if and (ne IdentityPersistence "") (ne IdentityPersistence "default") }}
       identitydb:
         persistence: {{ IdentityPersistence }}
+{{- else }}
+      # identitydb.persistence omitted
+{{- end }}
+{{- if and (ne TokenLockPersistence "") (ne TokenLockPersistence "default") }}
       tokenlockdb:
         persistence: {{ TokenLockPersistence }}
+{{- else }}
+      # tokenlockdb.persistence omitted
+{{- end }}
+{{- if and (ne AuditTxPersistence "") (ne AuditTxPersistence "default") }}
       auditdb:
         persistence: {{ AuditTxPersistence }}
+{{- else }}
+      # auditdb.persistence omitted
+{{- end }}
+{{- if and (ne OwnerTxPersistence "") (ne OwnerTxPersistence "default") }}
       ttxdb:
         persistence: {{ OwnerTxPersistence }}
+{{- else }}
+      # ttxdb.persistence omitted
+{{- end }}
       {{ if Wallets }}
       # Wallets associated with this TMS
       wallets: