[Code Quality] Remove useless comments

[manuthecoder]

Removes unnecessary/outdated comments

[Copilot]

Pull request overview

Removes outdated/unused commented-out code snippets to improve readability and reduce noise across services, controllers, and API entity code.

Changes:

• Removes obsolete threshold/early-return guidance comments in BreakdownEngine::Tags.
• Removes commented-out Turbo Stream modal-closing logic in ReceiptsController#generate_streams.
• Removes a development-only, commented-out Grape entity exposure block in Api::Entities::Base.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
app/services/breakdown_engine/tags.rb	Deletes outdated commented guidance about threshold handling.
app/controllers/receipts_controller.rb	Removes dead/commented Turbo Stream code in generate_streams.
app/api/api/entities/base.rb	Removes commented development testing block for entity options exposure.

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