ref(integrations): Delete deprecated class integrations

[s1gr1d]

Deletes FunctionToString, Breadcrumbs, InboundFiltersand LinkedErrors
ref #8844

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser (incl. Tracing, Replay, Feedback) - Webpack (gzipped)	77.33 KB (-0.09% 🔽)
@sentry/browser (incl. Tracing, Replay) - Webpack (gzipped)	68.58 KB (-0.05% 🔽)
@sentry/browser (incl. Tracing, Replay with Canvas) - Webpack (gzipped)	72.51 KB (-0.05% 🔽)
@sentry/browser (incl. Tracing, Replay) - Webpack with treeshaking flags (gzipped)	62.12 KB (-0.08% 🔽)
@sentry/browser (incl. Tracing) - Webpack (gzipped)	32.78 KB (-0.17% 🔽)
@sentry/browser (incl. browserTracingIntegration) - Webpack (gzipped)	32.78 KB (-0.17% 🔽)
@sentry/browser (incl. Feedback) - Webpack (gzipped)	31.02 KB (-0.15% 🔽)
@sentry/browser (incl. sendFeedback) - Webpack (gzipped)	31.02 KB (-0.13% 🔽)
@sentry/browser - Webpack (gzipped)	22.27 KB (-0.12% 🔽)
@sentry/browser (incl. Tracing, Replay, Feedback) - ES6 CDN Bundle (gzipped)	75.52 KB (-0.41% 🔽)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (gzipped)	67.15 KB (-0.46% 🔽)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (gzipped)	32.99 KB (-0.88% 🔽)
@sentry/browser - ES6 CDN Bundle (gzipped)	24.54 KB (-1.01% 🔽)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (minified & uncompressed)	210.43 KB (-0.31% 🔽)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (minified & uncompressed)	99.16 KB (-0.66% 🔽)
@sentry/browser - ES6 CDN Bundle (minified & uncompressed)	73.42 KB (-0.88% 🔽)
@sentry/browser (incl. Tracing) - ES5 CDN Bundle (gzipped)	36.1 KB (-0.69% 🔽)
@sentry/react (incl. Tracing, Replay) - Webpack (gzipped)	68.84 KB (-0.06% 🔽)
@sentry/react - Webpack (gzipped)	22.3 KB (-0.11% 🔽)
@sentry/nextjs Client (incl. Tracing, Replay) - Webpack (gzipped)	85.34 KB (-0.03% 🔽)
@sentry/nextjs Client - Webpack (gzipped)	49.66 KB (-0.08% 🔽)
@sentry-internal/feedback - Webpack (gzipped)	17.09 KB (0%)

[mydea]

so nice!