docs: update altda README section

README.md

@@ -51,12 +51,7 @@ This will also start a grafana instance, which you can access at `http://localho
 
 ![](./ops-bedrock/monitoring/grafana/grafana-dashboard-overview-high-throughput.png)
 
-To submit transactions, you can make use of our https://github.com/Layr-Labs/evm-tx-load-gen (you just need to replace the `TRAFFIC_GENERATOR_REQUEST_INTERVAL` and `TRAFFIC_GENERATOR_PAD_SIZE` variables inside the `.env` file to generate the needed throughput).
-
-```bash
-git clone https://github.com/Layr-Labs/evm-tx-load-gen.git
-./run.sh
-```
+The devnet starts an instance of https://github.com/Layr-Labs/evm-tx-load-gen which is submitting transactions with large amounts of calldata to reach 1.5MB/s of throughput.
 
 ## What is Optimism?