remove nethermind flatdb import

Author: skylenet

ansible/inventories/devnet-3/host_vars/lighthouse-nethermind-1.yaml

@@ -26,7 +26,7 @@ nethermind_container_command_extra_args:
   # Flat DB flags
   - --FlatDb.Enabled=true
   - --FlatDb.MaxReorgDepth=192
-  - --FlatDb.ImportFromPruningTrieState=true
+  #- --FlatDb.ImportFromPruningTrieState=true
   - --Metrics.EnableDetailedMetric=true
 
 # ethereum_node_cl_beacon_endpoint: "https://{{ secret_nginx_shared_basic_auth.name }}:{{ secret_nginx_shared_basic_auth.password }}@bn.bootnode-1.{{ network_subdomain }}"