replaces print() with logging

[anthonyduong9]

Problem

• We still use print() where we don't just display console output for a CLI.
• We configure logging for inference, but not for autointerp.

Fix

• Removing print() for each autointerp endpoint.
• Replacing print() in autointerp and inference.
• Copying and adapting the way we configure logging for inference, to autointerp.

Testing

• From apps/autointerp, I ran poetry run uvicorn server:app --host 0.0.0.0 --port 5003 --workers 1, made requests to the autointerp endpoints, and verified the logging.
• From apps/inference, I ran poetry run python start.py, and verified the logging.

[anthonyduong9]

Blocked by #87

[hijohnnylin]

thanks. i'll merge since the blocker only contains one mostly optional print statement.