feat(v8): Remove usage of span.description and span.name

[AbhiPrasad]

ref #10677

Removes all usage of setting/getting span.description and span.name, and removes the span.setName method.

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser (incl. Tracing, Replay, Feedback) - Webpack (gzipped)	77.8 KB (-0.14% 🔽)
@sentry/browser (incl. Tracing, Replay) - Webpack (gzipped)	69.05 KB (-0.17% 🔽)
@sentry/browser (incl. Tracing, Replay with Canvas) - Webpack (gzipped)	72.98 KB (-0.15% 🔽)
@sentry/browser (incl. Tracing, Replay) - Webpack with treeshaking flags (gzipped)	62.61 KB (-0.2% 🔽)
@sentry/browser (incl. Tracing) - Webpack (gzipped)	33.25 KB (-0.29% 🔽)
@sentry/browser (incl. browserTracingIntegration) - Webpack (gzipped)	33.16 KB (-0.26% 🔽)
@sentry/browser (incl. Feedback) - Webpack (gzipped)	31.15 KB (-0.12% 🔽)
@sentry/browser (incl. sendFeedback) - Webpack (gzipped)	31.15 KB (-0.13% 🔽)
@sentry/browser - Webpack (gzipped)	22.41 KB (-0.1% 🔽)
@sentry/browser (incl. Tracing, Replay, Feedback) - ES6 CDN Bundle (gzipped)	76.13 KB (-0.17% 🔽)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (gzipped)	67.62 KB (-0.2% 🔽)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (gzipped)	33.59 KB (-0.28% 🔽)
@sentry/browser - ES6 CDN Bundle (gzipped)	24.76 KB (-0.1% 🔽)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (minified & uncompressed)	212.67 KB (-0.24% 🔽)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (minified & uncompressed)	101.39 KB (-0.41% 🔽)
@sentry/browser - ES6 CDN Bundle (minified & uncompressed)	74.2 KB (-0.13% 🔽)
@sentry/browser (incl. Tracing) - ES5 CDN Bundle (gzipped)	36.87 KB (-0.27% 🔽)
@sentry/react (incl. Tracing, Replay) - Webpack (gzipped)	69.35 KB (-0.17% 🔽)
@sentry/react - Webpack (gzipped)	22.45 KB (-0.1% 🔽)
@sentry/nextjs Client (incl. Tracing, Replay) - Webpack (gzipped)	86.87 KB (-0.13% 🔽)
@sentry/nextjs Client - Webpack (gzipped)	50.08 KB (-0.17% 🔽)
@sentry-internal/feedback - Webpack (gzipped)	17.16 KB (0%)

[AbhiPrasad]

I had to turn off hapi e2e tests because they kept flaking here. Put a todo for us to re-visit it (though it will be changed with v8 as well).