Remove user intent banner component

[MartinJJones]

What

Remove the user-intent-banner component from Smart Answers.

Why

This component is not currently being used in Smart Answers. If similar functionality is required in the future, the intervention component is a better alternative and already being used in Smart Answers for the same purpose.

User Intent Banner Example

Intervention Example

The screenshot below is taken from the Check UK Visa Smart Answer.

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