Description of problem:

When running the transform subcommand to convert from XML to YAML, an extra file is always generated in a different folder containing multiple rules that aren't in the original XML file 

Version-Release number of selected component (if applicable): upstream 

How reproducible: Always 

Steps to Reproduce:
1. Run the following command providing your own paths

./kantra transform rules  --input /path/to/xml/folder/ --output /path/to/output/folder

2. Open the output folder and look for a fodler named 00-discovery

Actual results:

A file called 0.yaml (attached) is generated and contains multiple rules that were not in the original XML (attached)

Expected results:

The output folder should contain just the generated yaml and log outputs. 

Additional info:

Attached to this issue you'll find the XML file used to reproduce this bug and the generated extra yaml file.