Deduplicate tracing and println statements

During initial development, many tracing statements were also duplicated as println statements. The println statements should be removed.

Search the repository for println statements and compare each with the tracing statement used for the same development output. Remove the duplicated println statements, then run the project’s available tests or checks. Done means the redundant println output is gone while the tracing statements remain.

Written by the indexing model from the issue text.