Fix delegate predicate method offence in integrations

What does this MR do and why?

Remove delegate predicate method offence in app/models/concerns/integrations/base_data_fields.rb.

Contributes to #324629 (closed)

How to set up and validate locally

bundle exec rubocop --only Gitlab/DelegatePredicateMethods --parallel

# Before
26438 files inspected, 17 offenses detected

# After
26438 files inspected, 16 offenses detected

MR acceptance checklist

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