Lowered print level.

src/caosdb/unary_rpc_handler.cpp

@@ -112,7 +112,7 @@ void UnaryRpcHandler::handleCallCompleteState() {
 
   switch (status_.error_code()) {
   case grpc::OK:
-    CAOSDB_LOG_INFO(logger_name) << "UnaryRpcHandler finished successfully.";
+    CAOSDB_LOG_TRACE(logger_name) << "UnaryRpcHandler finished successfully.";
     break;
   default:
     auto code(static_cast<StatusCode>(status_.error_code()));