feat(v8/node): Remove deprecated anr methods

[AbhiPrasad]

Removes all references to enableAnrDetection and the Anr integration. Moves us toward #8844 in the node side.

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser (incl. Tracing, Replay, Feedback) - Webpack (gzipped)	78.16 KB (0%)
@sentry/browser (incl. Tracing, Replay) - Webpack (gzipped)	69.37 KB (0%)
@sentry/browser (incl. Tracing, Replay with Canvas) - Webpack (gzipped)	73.31 KB (0%)
@sentry/browser (incl. Tracing, Replay) - Webpack with treeshaking flags (gzipped)	63.01 KB (0%)
@sentry/browser (incl. Tracing) - Webpack (gzipped)	33.35 KB (0%)
@sentry/browser (incl. browserTracingIntegration) - Webpack (gzipped)	33.22 KB (0%)
@sentry/browser (incl. Feedback) - Webpack (gzipped)	31.2 KB (0%)
@sentry/browser (incl. sendFeedback) - Webpack (gzipped)	31.21 KB (0%)
@sentry/browser - Webpack (gzipped)	22.48 KB (0%)
@sentry/browser (incl. Tracing, Replay, Feedback) - ES6 CDN Bundle (gzipped)	76.19 KB (0%)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (gzipped)	67.71 KB (0%)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (gzipped)	33.47 KB (0%)
@sentry/browser - ES6 CDN Bundle (gzipped)	24.56 KB (0%)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (minified & uncompressed)	213.68 KB (0%)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (minified & uncompressed)	101.48 KB (0%)
@sentry/browser - ES6 CDN Bundle (minified & uncompressed)	73.86 KB (0%)
@sentry/browser (incl. Tracing) - ES5 CDN Bundle (gzipped)	36.64 KB (0%)
@sentry/react (incl. Tracing, Replay) - Webpack (gzipped)	69.76 KB (0%)
@sentry/react - Webpack (gzipped)	22.52 KB (0%)
@sentry/nextjs Client (incl. Tracing, Replay) - Webpack (gzipped)	87.53 KB (+0.24% 🔺)
@sentry/nextjs Client - Webpack (gzipped)	50.42 KB (-2.13% 🔽)
@sentry-internal/feedback - Webpack (gzipped)	17.2 KB (0%)