ref(v9/browser): Remove unnecessary CLS web vital check

[Lms24]

Backport of #17090:

Just a minor cleanup from a TODO I left a while ago. We can safely
remove this check because CLS isn't reported before FCP is reported.

[github-actions]

size-limit report 📦

⚠️ Warning: Base artifact is not the latest one, because the latest workflow run is not done yet. This may lead to incorrect results. Try to re-run all tests to get up to date results.

Path	Size	% Change	Change
@sentry/browser	23.75 kB	-	-
@sentry/browser - with treeshaking flags	22.34 kB	-	-
@sentry/browser (incl. Tracing)	39.61 kB	-0.02%	-6 B 🔽
@sentry/browser (incl. Tracing, Replay)	77.78 kB	-0.01%	-7 B 🔽
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags	67.59 kB	-0.02%	-7 B 🔽
@sentry/browser (incl. Tracing, Replay with Canvas)	82.48 kB	-0.01%	-8 B 🔽
@sentry/browser (incl. Tracing, Replay, Feedback)	94.58 kB	-0.01%	-9 B 🔽
@sentry/browser (incl. Feedback)	40.45 kB	-	-
@sentry/browser (incl. sendFeedback)	28.43 kB	-	-
@sentry/browser (incl. FeedbackAsync)	33.34 kB	-	-
@sentry/react	25.5 kB	-	-
@sentry/react (incl. Tracing)	41.59 kB	-0.02%	-7 B 🔽
@sentry/vue	28.18 kB	-	-
@sentry/vue (incl. Tracing)	41.4 kB	-0.02%	-8 B 🔽
@sentry/svelte	23.78 kB	-	-
CDN Bundle	25.18 kB	-	-
CDN Bundle (incl. Tracing)	39.41 kB	-0.02%	-7 B 🔽
CDN Bundle (incl. Tracing, Replay)	75.41 kB	-0.01%	-5 B 🔽
CDN Bundle (incl. Tracing, Replay, Feedback)	80.88 kB	-0.01%	-7 B 🔽
CDN Bundle - uncompressed	73.44 kB	-	-
CDN Bundle (incl. Tracing) - uncompressed	116.85 kB	-0.02%	-12 B 🔽
CDN Bundle (incl. Tracing, Replay) - uncompressed	230.99 kB	-0.01%	-12 B 🔽
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed	243.8 kB	-0.01%	-12 B 🔽
@sentry/nextjs (client)	43.61 kB	-0.02%	-7 B 🔽
@sentry/sveltekit (client)	40.03 kB	-0.02%	-7 B 🔽
@sentry/node-core	47.24 kB	-	-
@sentry/node	143.81 kB	-	-
@sentry/node - without tracing	91.31 kB	-	-
@sentry/aws-serverless	102.75 kB	-	-

View base workflow run