Rename PhishingDetection to MaliciousSiteProtection

[mallexxx]

Task/Issue URL: https://app.asana.com/0/1202406491309510/1208033567421351/f BSK PR: https://github.com/duckduckgo/BrowserServicesKit/pull/1091 Tech Design URL: CC:

Description:

• Rename PhishingDetection to MaliciousSiteProtection
• Code adjustments and cleanup

Steps to test this PR:

1. Activate Feature Flag override for malicious site protections in Debug -> Feature Flag overrides
2. Visit https://privacy-test-pages.site/security/badware/phishing.html, validate phishing detection works without changes
3. Validate ./scripts/update_phishing_detection_data.sh script works and updates data

Definition of Done:

• [ ] Does this PR satisfy our Definition of Done?

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Internal references:

Pull Request Review Checklist Software Engineering Expectations Technical Design Template Pull Request Documentation

[github-actions[bot]]

	Warnings
:warning:	PR has more than 500 lines of code changing. Consider splitting into smaller PRs if possible.

	Messages
:book:	You seem to be updating localized strings. Make sure that you request translations and include translated strings before you ship your change. See [Localization Guidelines](https://app.asana.com/0/0/1206727265537758/f) for more information.

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