[SEDONA-534] Disable Python warning message of finding jars

[jiayuasu]

Did you read the Contributor Guide?

• Yes, I have read the Contributor Rules and Contributor Development Guide

Is this PR related to a JIRA ticket?

• Yes, the URL of the associated JIRA ticket is https://issues.apache.org/jira/browse/SEDONA-534. The PR name follows the format [SEDONA-534] my subject.

What changes were proposed in this PR?

1. Move the error message to info level
2. Stop printing the stackstrace

How was this patch tested?

Passed local tests

Did this PR include necessary documentation updates?

• No, this PR does not affect any public API so no need to change the documentation.