chore: removed currently string from modal title

[ameerul-deriv]

Changes:

Please provide a summary of the change.

• Removed currently from the error modal when sharing unavailable ad

Screenshots:

Please provide some screenshots of the change.

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Name	Status	Preview	Updated (UTC)
deriv-app	✅ Ready (Inspect)	Visit Preview	Jun 25, 2024 8:12am

[github-actions]

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

• PR: chore: removed currently string from modal title #15770
• URLs:
  • w/ App ID + Server: https://deriv-app-git-fork-ameerul-deriv-webrel-2852-remove-word-45e789.binary.sx?qa_server=red.derivws.com&app_id=31528
  • Original: https://deriv-app-git-fork-ameerul-deriv-webrel-2852-remove-word-45e789.binary.sx
• App ID: 31528

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- **PR**: [https://github.com/binary-com/deriv-app/pull/15770](https://github.com/binary-com/deriv-app/pull/15770)
- **URLs**:
    - **w/ App ID + Server**: https://deriv-app-git-fork-ameerul-deriv-webrel-2852-remove-word-45e789.binary.sx?qa_server=red.derivws.com&app_id=31528
    - **Original**: https://deriv-app-git-fork-ameerul-deriv-webrel-2852-remove-word-45e789.binary.sx
- **App ID**: `31528`

[github-actions]

🚨 Lighthouse report for the changes in this PR:

Category	Score
🔺 Performance	38
🟧 Accessibility	70
🟧 Best practices	83
🟧 SEO	77
🟧 PWA	78

Lighthouse ran with https://deriv-app-git-fork-ameerul-deriv-webrel-2852-remove-word-45e789.binary.sx/