What are the purposes of these files created by Firefox Portable in \ProgramData?

The file locations and contents:

C:\ProgramData\Mozilla-xxxxxxx-xxxxxxx-xxxx-xx-xxx-xxxxxxxx\updates\FirefoxPortable\update-config.json
{"app.update.auto":false,"__DEFAULTS__":{"app.update.background.enabled":true}}

C:\ProgramData\Mozilla-xxxxxxx-xxxxxxx-xxxx-xx-xxx-xxxxxxxx\profile_count_FirefoxPortable.json
{"version":"1","profileTelemetryIds":["xxxxxxx-xxxxxxx-xxxxxxxx-xxxxxx-xxx-xxxxxx"]}

What are their purposes and how to turn them off?