Clean up Sentry's unconventional usage of the SDK, especially in `sdk.py`, so that there's less surface when dogfooding.<br><br>Note: This doesn't include cleaning up the transport code; that's done in getsentry/sentry-python#6533.
Clean up Sentry's unconventional usage of the SDK, especially in
sdk.py, so that there's less surface when dogfooding.Note: This doesn't include cleaning up the transport code; that's done in #6533.