feat: Remove tslib

[AbhiPrasad]

Inspired by #9199, let's try removing tslib.

Kept it with the angular package because I wasn't sure if angular build process needs it, but we can remove it if not needed.

[AbhiPrasad]

Did a sanity check + looked over built assets and seems to be fine.

[timfish]

Looks good!

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser (incl. Tracing, Replay) - Webpack (gzipped)	84 KB (0%)
@sentry/browser (incl. Tracing) - Webpack (gzipped)	31.6 KB (0%)
@sentry/browser - Webpack (gzipped)	21.77 KB (0%)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (gzipped)	80.5 KB (-0.01% 🔽)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (gzipped)	29.54 KB (-0.02% 🔽)
@sentry/browser - ES6 CDN Bundle (gzipped)	21.71 KB (-0.01% 🔽)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (minified & uncompressed)	245.65 KB (0%)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (minified & uncompressed)	85.63 KB (0%)
@sentry/browser - ES6 CDN Bundle (minified & uncompressed)	61.55 KB (0%)
@sentry/browser (incl. Tracing) - ES5 CDN Bundle (gzipped)	32.66 KB (-0.01% 🔽)
@sentry/react (incl. Tracing, Replay) - Webpack (gzipped)	84.07 KB (0%)
@sentry/react - Webpack (gzipped)	21.81 KB (0%)
@sentry/nextjs Client (incl. Tracing, Replay) - Webpack (gzipped)	102.21 KB (0%)
@sentry/nextjs Client - Webpack (gzipped)	49.67 KB (0%)