We don't use the websocket connection for anything of consequence. This
PR removes it and the `socket-io` dependency from the client.
The RTS still has it, will be removed in a subsequent PR.
## Automation
/test sanity
### 🔍 Cypress test results
<!-- This is an auto-generated comment: Cypress test results -->
> [!TIP]
> 🟢🟢🟢 All cypress tests have passed! 🎉🎉🎉
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/12062399334>
> Commit: 4f018b1958e82ca29d8a7492ec0bf4529f43b0ef
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=12062399334&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Sanity`
> Spec:
> <hr>Thu, 28 Nov 2024 04:55:02 UTC
<!-- end of auto-generated comment: Cypress test results -->
## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [x] No
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
## Release Notes
- **New Features**
- None
- **Bug Fixes**
- None
- **Refactor**
- Removed websocket and collaborative editing functionality, simplifying
the application architecture.
- Eliminated related constants, actions, reducers, and sagas to
streamline codebase.
- **Chores**
- Updated test configurations by removing references to websocket sagas.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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