Update regenesis-history.mdx

Author: Wazabie

pages/builders/tools/monitor/regenesis-history.mdx

@@ -8,22 +8,12 @@ import { Callout, Steps } from 'nextra/components'
 
 # Accessing Pre-Regenesis History
 
-This tutorial explains how to access transaction history between 23 June 2021 and the final regenesis using the Etherscan CSV exporting tool.
+This tutorial explains how to access transaction history between 23 June 2021 and the final regenesis.
 Because of our final regenesis on 11 November 2021, older transactions are not part of the current blockchain and do not appear on [Etherscan](https://explorer.optimism.io/).
 
-## Etherscan access
-
-<Steps>
-  ### Browse to the [Optimism Explorer](https://explorer.optimism.io/exportDataMain).
-
-  ### Select your address and the type of report you want.
-
-  ![Etherscan data export page.](/img/op-mainnet/tools/export.png)
-</Steps>
-
 ## Dune access
 
-If none of the Etherscan CSV files contains the information you need, you can use a query on [Dune Analytics](https://dune.com), similar to [this query](https://dune.com/queries/354886?addr=%5Cx25E1c58040f27ECF20BBd4ca83a09290326896B3).
+You can use a query on [Dune Analytics](https://dune.com), similar to [this query](https://dune.com/queries/354886?addr=%5Cx25E1c58040f27ECF20BBd4ca83a09290326896B3).
 You have to log on with a Dune account, but their free tier is sufficient.
 
 <Steps>