ref: Remove spanRecorder and all related code

[mydea]

This is now not used anymore, we use getSpanDescendants() internally now everywhere.

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser (incl. Tracing, Replay, Feedback) - Webpack (gzipped)	76.97 KB (-0.69% 🔽)
@sentry/browser (incl. Tracing, Replay) - Webpack (gzipped)	68.22 KB (-0.78% 🔽)
@sentry/browser (incl. Tracing, Replay with Canvas) - Webpack (gzipped)	72.1 KB (-0.76% 🔽)
@sentry/browser (incl. Tracing, Replay) - Webpack with treeshaking flags (gzipped)	61.78 KB (-0.83% 🔽)
@sentry/browser (incl. Tracing) - Webpack (gzipped)	32.44 KB (-1.64% 🔽)
@sentry/browser (incl. browserTracingIntegration) - Webpack (gzipped)	32.44 KB (-1.64% 🔽)
@sentry/browser (incl. Feedback) - Webpack (gzipped)	31.36 KB (0%)
@sentry/browser (incl. sendFeedback) - Webpack (gzipped)	31.36 KB (0%)
@sentry/browser - Webpack (gzipped)	22.56 KB (0%)
@sentry/browser (incl. Tracing, Replay, Feedback) - CDN Bundle (gzipped)	75.09 KB (-0.67% 🔽)
@sentry/browser (incl. Tracing, Replay) - CDN Bundle (gzipped)	66.7 KB (-0.74% 🔽)
@sentry/browser (incl. Tracing) - CDN Bundle (gzipped)	32.54 KB (-1.54% 🔽)
@sentry/browser - CDN Bundle (gzipped)	24.01 KB (0%)
@sentry/browser (incl. Tracing, Replay) - CDN Bundle (minified & uncompressed)	209.04 KB (-0.88% 🔽)
@sentry/browser (incl. Tracing) - CDN Bundle (minified & uncompressed)	97.85 KB (-1.86% 🔽)
@sentry/browser - CDN Bundle (minified & uncompressed)	71.74 KB (0%)
@sentry/react (incl. Tracing, Replay) - Webpack (gzipped)	68.44 KB (-0.8% 🔽)
@sentry/react - Webpack (gzipped)	22.6 KB (0%)
@sentry/nextjs Client (incl. Tracing, Replay) - Webpack (gzipped)	84.95 KB (-0.61% 🔽)
@sentry/nextjs Client - Webpack (gzipped)	49.35 KB (-1.05% 🔽)
@sentry-internal/feedback - Webpack (gzipped)	17.41 KB (0%)