chore: remove IoT report webinar banner

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Deploying interrupt with    Cloudflare Pages

Latest commit:	11d7f80
Status:	✅  Deploy successful!
Preview URL:	https://ee6023cc.interrupt.pages.dev
Branch Preview URL:	https://gminn-remove-banner.interrupt.pages.dev

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Merge activity

• Aug 14, 5:47 PM EDT: @gminn started a stack merge that includes this pull request via Graphite.
• Aug 14, 5:48 PM EDT: @gminn merged this pull request with Graphite.