ref(opentelemetry): Remove deprecated OpenTelemetry classes

[adinauer]

📜 Description

Remove the deprecated SentrySpanProcessor, SentryPropagator, OpenTelemetryLinkErrorEventProcessor, and internal TraceData classes from sentry-opentelemetry-core. Remove the now-unused SentrySpanStorage, their legacy-only tests, and update the OpenTelemetry documentation and API dumps.

💡 Motivation and Context

These classes were deprecated before the Java SDK 9 release. OtelSentrySpanProcessor and OtelSentryPropagator are the supported replacements, while OpenTelemetryLinkErrorEventProcessor and TraceData are no longer needed. The current integration uses SentryWeakSpanStorage instead of SentrySpanStorage.

• resolves: Remove deprecated OTel classes #6013

💚 How did you test it?

• ./gradlew spotlessApply apiDump
• ./gradlew ':sentry-opentelemetry:sentry-opentelemetry-core:check'
• ./gradlew ':sentry:check'

📝 Checklist

• I added GH Issue ID & Linear ID
• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• I updated the wizard if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.
• Public API changes reviewed by another Mobile SDK team member or implemented according to the develop docs spec.

🔮 Next steps

None.

[sentry]

📲 Install Builds

Android

🔗 App Name	App ID	Version	Configuration
SDK Size	io.sentry.tests.size	8.59.0 (1)	release

⚙️ sentry-android Build Distribution Settings

[lbloder]

Looks good!

With these legacy classes removed, there might be an opportunity for further cleanups:

• io.sentry.SentrySpanStorage seems to be unused now, so we could delete that class as well.
• I Couldn't find any usage of io.sentry.Instrumenter.OTEL anymore (except for tests). So we could potentially remove that. Then only Instrumenter.SENTRY stays which means we could get ride of the option and the enum altogether.

[adinauer]

I Couldn't find any usage of io.sentry.Instrumenter.OTEL anymore (except for tests). So we could potentially remove that. Then only Instrumenter.SENTRY stays which means we could get ride of the option and the enum altogether.

I'll remove instrumenter in a separate PR to not bloat this one.

[adinauer]

Follow-up: the deprecated Instrumenter option and related code are removed separately in #6252.