The obfuscation of hostname is not working

** Note that this is a public ticket, please refrain from adding any sensitive data. **

Description of Problem

After enabling obfuscation, the Host name and Ansible hostname fields have the real name of the host which they shouldn't have.

# grep obfuscate /etc/insights-client/insights-client.conf
obfuscate=True
obfuscate_hostname=True

How reproducible

Always

Steps to Reproduce

1. Edit the /etc/insights-client/insights-client.conf file
2. Set 'obfuscate=True' and 'obfuscate_hostname=True' 
3. Set 'display_name'
4. Run 'insights-client' command

Actual Behavior

The hostname obfuscation is not working.

Expected Behavior

The hostname should be obfuscated and set the obfuscated in the Host name and Ansible hostname fields in the host profile.

Business Impact / Additional info

insights-client --version
Client: 3.2.2
Core: 3.3.7-1