Hamza/chore: remove the broker code mt5 notification from traders hub

[hamza-deriv]

Changes:

Please provide a summary of the change.
User Story: As a [type of user], I want [an action] so that [a benefit/a value].
As a user I do not want to see the MT5 broker name change pop-up notification on Trader's Hub since this issue no longer happens.

CU Card: https://app.clickup.com/t/20696747/CFDS-925

Screenshots:

Please provide some screenshots of the change.

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated (UTC)
deriv-app	✅ Ready (Inspect)	Visit Preview	Aug 17, 2023 3:33am

[github-actions]

A production App ID was automatically generated for this PR. (log)

• PR: Hamza/chore: remove the broker code mt5 notification from traders hub #9734
• URLs:
  • w/ App ID + Server: https://deriv-app-git-fork-hamza-deriv-hamza-cfds-925remove-brok-27c219.binary.sx?qa_server=red.binaryws.com&app_id=32877
  • Original: https://deriv-app-git-fork-hamza-deriv-hamza-cfds-925remove-brok-27c219.binary.sx
• App ID: 32877

Click here to copy & paste above information.

- **PR**: [https://github.com/binary-com/deriv-app/pull/9734](https://github.com/binary-com/deriv-app/pull/9734)
- **URLs**:
    - **w/ App ID + Server**: https://deriv-app-git-fork-hamza-deriv-hamza-cfds-925remove-brok-27c219.binary.sx?qa_server=red.binaryws.com&app_id=32877
    - **Original**: https://deriv-app-git-fork-hamza-deriv-hamza-cfds-925remove-brok-27c219.binary.sx
- **App ID**: `32877`

[github-actions]

🚨 Lighthouse report for the changes in this PR:

Category	Score
🔺 Performance	21
🟧 Accessibility	75
🟢 Best practices	92
🟧 SEO	85
🟢 PWA	90

Lighthouse ran with https://deriv-app-git-fork-hamza-deriv-hamza-cfds-925remove-brok-27c219.binary.sx/

[shontzu-deriv]

LGTM

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[coveralls]

coverage: 10.136% (+0.001%) from 10.135% when pulling e4ecd0f on hamza-deriv:hamza/CFDS-925/remove-broker-code-mt5-notification into 7885480 on binary-com:master.

[DerivFE]

✨ PR has been merged by Paimon the Release Bot