chore: remove unused code in identify interceptor logic

[falconandy]

Summary

Remove unused code - unused since version 1.8.2.

Checklist

• [x] Does your PR title have the correct title format?
• Does your PR have a breaking change?: no

[github-actions[bot]]

:tada: This PR is included in version 1.9.0 :tada:

The release is available on:

• GitHub release
• v1.9.0

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