Merge "Adding salt_syndic_enabled to soft params"

metadata/service/syndic/cluster.yml

 parameters:
+  _param:
+    salt_syndic_enabled: true
   salt:
     syndic:
-      enabled: true
-      masters:
-      - host: ${_param:salt_syndic_master_address_01}
-      - host: ${_param:salt_syndic_master_address_02}
+      enabled: ${_param:salt_syndic_enabled}

metadata/service/syndic/single.yml

 parameters:
+  _param:
+    salt_syndic_enabled: true
   salt:
     syndic:
-      enabled: true
+      enabled: ${_param:salt_syndic_enabled}
       master:
         host: ${_param:salt_syndic_master_address}