Remove duplicate calls to addPackage

[adinauer]

#skip-changelog

📜 Description

SentryIntegrationPackageStorage.addPackage calls have been moved to static / companion object init blocks in #4271

💡 Motivation and Context

No need to call it twice.

💚 How did you test it?

📝 Checklist

• 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.

🔮 Next steps

[github-actions]

	Messages
📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

Generated by 🚫 dangerJS against 9d7449a

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	418.40 ms	460.29 ms	41.90 ms
Size	1.58 MiB	2.22 MiB	654.84 KiB

Previous results on branch: feat/remove-duplicate-add-package-calls

Startup times

Revision	Plain	With Sentry	Diff
492b1c1	384.80 ms	424.71 ms	39.91 ms
0e6c63e	434.11 ms	493.36 ms	59.25 ms
d02b5f0	422.92 ms	462.67 ms	39.76 ms

App size

Revision	Plain	With Sentry	Diff
492b1c1	1.58 MiB	2.22 MiB	654.88 KiB
0e6c63e	1.58 MiB	2.22 MiB	654.89 KiB
d02b5f0	1.58 MiB	2.22 MiB	654.89 KiB