chain gateway build fix

ci/prod/.env.runtime

@@ -59,17 +59,3 @@ FEES_MONGO_PORT=27017
 FEES_MONGO_DATABASE=billing_fees
 FEES_MONGO_AUTH_SOURCE=admin
 FEES_MONGO_REPLICA_SET=sendico-rs
-
-# Chain gateway stack
-CHAIN_GATEWAY_DIR=chain_gateway
-CHAIN_GATEWAY_COMPOSE_PROJECT=sendico-chain-gateway
-CHAIN_GATEWAY_SERVICE_NAME=sendico_chain_gateway
-CHAIN_GATEWAY_GRPC_PORT=50070
-CHAIN_GATEWAY_METRICS_PORT=9403
-
-# Chain gateway Mongo settings
-CHAIN_GATEWAY_MONGO_HOST=sendico_db1
-CHAIN_GATEWAY_MONGO_PORT=27017
-CHAIN_GATEWAY_MONGO_DATABASE=chain_gateway
-CHAIN_GATEWAY_MONGO_AUTH_SOURCE=admin
-CHAIN_GATEWAY_MONGO_REPLICA_SET=sendico-rs