chore: remove localstorage-sync

[thisyahlen-deriv]

This pull request includes several changes to clean up and simplify the codebase by removing unused components and redundant code. The most important changes include removing the P2PIFrame and SmartTraderIFrame components, as well as the associated local storage synchronization functionality.

The loaclstorage-sync is no longer required as the backend (BE) is now responsible for managing account syncing between the parent (Deriv App) and child applications. Currently, the frontend (FE) is implementing logic to set localStorage tokens and account information for child apps, but this is redundant and can be eliminated.

Codebase simplification:

• packages/core/src/App/AppContent.tsx: Removed unused imports and the P2PIFrame and SmartTraderIFrame components. [1] [2]
• packages/core/src/Modules/P2PIFrame/P2PIFrame.tsx: Deleted the P2PIFrame component.
• packages/core/src/Modules/SmartTraderIFrame/SmartTraderIFrame.jsx: Deleted the SmartTraderIFrame component.
• packages/core/src/root_files/localstorage-sync.html: Removed the localstorage-sync.html file.

Removal of local storage synchronization:

• packages/core/src/Stores/client-store.js: Removed the syncWithLegacyPlatforms method and its calls throughout the ClientStore class. [1] [2] [3] [4] [5] [6] [7] [8]## Changes:

Please provide a summary of the change.

Screenshots:

Please provide some screenshots of the change.

[vercel]

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Name	Status	Preview	Updated (UTC)
deriv-app	✅ Ready (Inspect)	Visit Preview	Dec 6, 2024 4:15am

[coveralls]

Pull Request Test Coverage Report for Build 12192641630

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.02%) to 53.936%

---

Files with Coverage Reduction	New Missed Lines	%
packages/core/src/App/AppContent.tsx	1	0.0%

Totals
Change from base Build 12190387633:	0.02%
Covered Lines:	32950
Relevant Lines:	56949

---

💛 - Coveralls

[github-actions]

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

• PR: chore: remove localstorage-sync #17749
• URLs:
  • w/ App ID + Server: https://deriv-app-git-fork-thisyahlen-deriv-thisyahlen-remove-lo-820e12.binary.sx?qa_server=red.derivws.com&app_id=23939
  • Original: https://deriv-app-git-fork-thisyahlen-deriv-thisyahlen-remove-lo-820e12.binary.sx
• App ID: 23939

Click here to copy & paste above information.

- **PR**: [https://github.com/deriv-com/deriv-app/pull/17749](https://github.com/deriv-com/deriv-app/pull/17749)
- **URLs**:
    - **w/ App ID + Server**: https://deriv-app-git-fork-thisyahlen-deriv-thisyahlen-remove-lo-820e12.binary.sx?qa_server=red.derivws.com&app_id=23939
    - **Original**: https://deriv-app-git-fork-thisyahlen-deriv-thisyahlen-remove-lo-820e12.binary.sx
- **App ID**: `23939`

[github-actions]

🚨 Lighthouse report for the changes in this PR:

Category	Score
🔺 Performance	33
🟧 Accessibility	70
🟢 Best practices	92
🟧 SEO	77
🟧 PWA	78

Lighthouse ran with https://deriv-app-git-fork-thisyahlen-deriv-thisyahlen-remove-lo-820e12.binary.sx/

[amam-deriv]

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