[docs] Updates for dbv3 (#20073)

## Description 

Update for the move of dbv3 to mainnet.

## Test plan 

How did you test the new or updated feature?

---

## Release notes

Check each box that your changes affect. If none of the boxes relate to
your changes, release notes aren't required.

For each box you select, include information after the relevant heading
that describes the impact of your changes that a user might notice and
any actions they must take to implement updates.

- [ ] Protocol: 
- [ ] Nodes (Validators and Full nodes): 
- [ ] Indexer: 
- [ ] JSON-RPC: 
- [ ] GraphQL: 
- [ ] CLI: 
- [ ] Rust SDK:
- [ ] REST API:

docs/content/standards/deepbook.mdx

@@ -9,20 +9,16 @@ DeepBook is a next-generation decentralized central limit order book (CLOB) buil
 
 ## Versioning
 
-The latest development iteration of DeepBook is version 3 (DeepBookV3). [DeebBookV3](./deepbookv3.mdx) is currently available in both Devnet and Testnet. [DeepBookV2](./deepbookv2.mdx) is the current Mainnet iteration of DeepBook. 
-
-DeepBookV3 is scheduled to replace DeepBookV2 on Mainnet in the second half of 2024. 
+The latest development iteration of DeepBook is version 3 (DeepBookV3). [DeepBookV3](./deepbookv3.mdx) is currently available across all Sui networks. [DeepBookV2](./deepbookv2.mdx) is currently still available to provide time for legacy contracts to migrate to DeepBookV3. 
 
 <DocCardList/>
 
 ## Open source
 
 DeepBook is open for community development. You can use the [Sui Improvement Proposals](https://github.com/sui-foundation/sips?ref=blog.sui.io) (SIPs) process to suggest changes to make DeepBook better.
 
-- [DeepBookV2 packages](https://github.com/MystenLabs/sui/tree/main/crates/sui-framework/packages/deepbook) (part of Sui framework)
-- [DeepBookV3 repository on GitHub](https://github.com/MystenLabs/deepbookv3)
-
-
 ## Related links
 
+- [DeepBookV3 repository on GitHub](https://github.com/MystenLabs/deepbookv3)
 - <a href="/references/framework/deepbook" data-no-link-check>DeepBook framework docs</a>: Autogenerated framework documentation for DeepBookV2.
+