Remove OEV extended explorer link (#194)

Author: aquarat

docs/oev-searchers/in-depth/oev-network/index.md

@@ -43,16 +43,6 @@ The OEV Network can be added as a custom network to any EVM compatible wallet.
 | Block Explorer URL | https://oev.explorer.api3.org/ |
 | Bridge URL         | https://oev.bridge.api3.org/   |
 
-::: info 💡 Tip
-
-Apart from the official bridge, Api3 hosts an extended version available at https://oev-explorer-extended.api3.org/. This is a fork of the explorer with small additions for relevant to OEV.
-
-For example, when browsing logs for [this transaction](https://oev-explorer-extended.api3.org/tx/0x2bbe268d6f2c837af9c842158183fdb5cce641bb35c7a3b0de1af06112371051?tab=logs), the extended explorer shows decoded OEV details for users' convenience.
-
-![OEV extended explorer](./oev-extended-explorer.png)
-
-:::
-
 ## Properties
 
 Here are some of the key properties of the OEV Network: