chore(replay): Cleanup docs related to replay accessibility feature

[ryan953]

That accessibility feature didn't get much use, and was recently removed from the product.

Removed: getsentry/sentry#79155

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
sentry-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 9, 2025 4:41pm

2 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
changelog	⬜️ Ignored (Inspect)			Apr 9, 2025 4:41pm
develop-docs	⬜️ Ignored (Inspect)	Visit Preview		Apr 9, 2025 4:41pm

[codecov]

Bundle Report

Changes will decrease total bundle size by 15 bytes (-0.0%) ⬇️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-server-cjs	11.13MB	-9 bytes (-0.0%) ⬇️
sentry-docs-client-array-push	9.47MB	-6 bytes (-0.0%) ⬇️

Affected Assets, Files, and Routes:

view changes for bundle: sentry-docs-client-array-push

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
static/chunks/pages/_app-*.js	-3 bytes	868.7kB	-0.0%
static/chunks/8165-*.js	-3 bytes	410.1kB	-0.0%
static/n7sRF_W1t1_ro-*.js (New)	77 bytes	77 bytes	100.0% 🚀
static/n7sRF_W1t1_ro-*.js (New)	578 bytes	578 bytes	100.0% 🚀
static/kau_ryBAZtHd84LqRyvSi/_buildManifest.js (Deleted)	-578 bytes	0 bytes	-100.0% 🗑️
static/kau_ryBAZtHd84LqRyvSi/_ssgManifest.js (Deleted)	-77 bytes	0 bytes	-100.0% 🗑️

view changes for bundle: sentry-docs-server-cjs

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
1729.js	-3 bytes	1.75MB	-0.0%
../instrumentation.js	-3 bytes	1.08MB	-0.0%
9523.js	-3 bytes	1.05MB	-0.0%