Removed SentryOptions.EnableTracing

[jamescrosswell]

Resolves:

• Remove Obsolete SentryOptions.EnableTracing #3555

[github-actions]

	Fails
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- Removed SentryOptions.EnableTracing ([#3569](https://github.com/getsentry/sentry-dotnet/pull/3569))

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