Revert "Exposing argument for controlling log file level"

This reverts commit 312282294b6910322effe412486dd87d27ee4f0f.
Revert "Exposing log-file argument for choosing log file at runtime"

This reverts commit 0bc67b921936b7c3fafe109fe8fb2393034e9591.
Revert "Adding repr as the default serializer to get around a couple issues with saltcloud sending in instantiated classes"

This reverts commit 064eea270c6af3a35f5ec8b202cbaab857b8f8d4.