Fix rubocop warning in migration

What does this MR do and why?

Fixes:

db/migrate/20250826114843_create_packages_nuget_symbol_states.rb:12:55: W: [Correctable] Lint/RedundantCopDisableDirective: Unnecessary disabling of Migration/EnsureFactoryForTable.
    create_table :packages_nuget_symbol_states do |t| # rubocop:disable Migration/EnsureFactoryForTable -- Will be added with the model in a subsequent MR
                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
48412 files inspected, 1 offense detected, 1 offense autocorrectable

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