docs(product): Update stale images on Performance Issues > Large HTTP Payload page

[inventarSarah]

DESCRIBE YOUR PR

see: /product/issues/issue-details/performance-issues/large-http-payload/

updated settings image and UI description

deleted Span Evidence screenshot -> found no issue in Sentry to take screenshot from (took a note so we can replace later)

Closes: #18201

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Project	Deployment	Actions	Updated (UTC)
sentry-docs	Ready	Preview	Aug 6, 2026 7:29am

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Project	Deployment	Actions	Updated (UTC)
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