Rename `Performance Monitoring` to `Tracing` in Platform Docs

[stephanie-anderson]

Core or SDK?

Platform/SDK

### SDKs
- [ ] Android
- [ ] Apple
- [ ] iOS
- [ ] iOS > macOS
- [ ] iOS > tvOS
- [ ] iOS > visionOS
- [ ] iOS > watchOS
- [ ] Dart
- [x] Elixir
- [ ] Flutter
- [ ] Go
- [ ] Go > Echo
- [ ] Go > FastHTTP
- [ ] Go > Gin
- [ ] Go > Iris
- [ ] Go > Martini
- [ ] Go > Negroni
- [ ] Go > net/http
- [ ] Java
- [ ] Java > java.util.logging
- [ ] Java > Log4j 2.x
- [ ] Java > Logback
- [ ] Java > Servlet
- [ ] Java > Spring
- [ ] Java > Spring Boot
- [ ] JavaScript
- [ ] JavaScript > Angular
- [ ] JavaScript > Astro
- [ ] JavaScript > AWS Lambda
- [ ] JavaScript > Azure Functions
- [ ] JavaScript > Bun
- [ ] JavaScript > Capacitor
- [ ] JavaScript > Connect
- [ ] JavaScript > Cordova
- [ ] JavaScript > Deno
- [ ] JavaScript > Electron
- [ ] JavaScript > Ember
- [ ] JavaScript > Express
- [ ] JavaScript > Fastify
- [ ] JavaScript > Gatsby
- [ ] JavaScript > Google Cloud Functions
- [ ] JavaScript > Hapi
- [ ] JavaScript > Koa
- [ ] JavaScript > Nest.js
- [ ] JavaScript > Next.js
- [ ] JavaScript > Node.js
- [ ] JavaScript > React
- [ ] JavaScript > Remix
- [ ] JavaScript > Solid
- [ ] JavaScript > Svelte
- [ ] JavaScript > SvelteKit
- [ ] JavaScript > Vue
- [ ] JavaScript > Wasm
- [x] Kotlin
- [x] Kotlin Multiplatform
- [ ] Native
- [ ] Native > Google Breakpad
- [ ] Native > Google Crashpad
- [ ] Native > Minidumps
- [ ] Native > Qt
- [ ] Native > WebAssembly
- [ ] .NET
- [ ] PHP
- [ ] PHP > Laravel
- [ ] PHP > Symfony
- [ ] PowerShell
- [ ] Python
- [ ] React Native
- [ ] Ruby
- [ ] Rust
- [ ] Unity
- [ ] Unreal Engine

New information structure

• Set Up Tracing (currently: Set Up Performance)
  • Instrumentation
  • Distributed Trace Propagation (currently: Set Up Distributed Tracing)
  • Custom Instrumentation
  • Dealing with CORS Issues
  • Troubleshooting

[rahulchhabria]

@stephanie-anderson - can we close this? per pr 10220?