After removing the proxy settings in RHUI4, syncing some repositories is still using the proxy.

Issue

After removing the proxy settings in RHUI4, syncing some repositories is still using the proxy.

$ cat root/.rhui/answers.yaml|grep proxy
  proxy_hostname: null
  proxy_password: null
  proxy_port: null
  proxy_protocol: null
  proxy_username: null
<snip>

$ less etc/rhui/rhui-tools.conf |grep proxy
# The proxy settings below are used for all traffic. Therefore the proxy
[proxy]
# The hostname of the proxy.
proxy_host: 
# The protocol to use with the proxy. This should be 'https' or 'http'
proxy_protocol: 
# The port to use with the proxy. This must be set if proxy_host is set.
proxy_port: 
# The username to use with the proxy if authentication is required.
proxy_user: 
# The password to use with the proxy if authentication is required.
# This must be set if proxy_user is set.
proxy_pass: