how do i turn off 'yum' from trying to configure 'yum.conf' i'm trying to use yum::manage_repos but yum throws errors trying to configure yum.conf

Warning: Augeas[dnf.conf_installonly_limit](provider=augeas): Loading failed for one or more files, see debug for /augeas//error output

Error: /Stage[main]/Yum/Yum::Config[installonly_limit]/Augeas[dnf.conf_installonly_limit]: Could not evaluate: Save failed, see debug output for details

Notice: /Stage[main]/Yum/Exec[package-cleanup_oldkernels]: Dependency Augeas[dnf.conf_installonly_limit] has failures: true

Warning: /Stage[main]/Yum/Exec[package-cleanup_oldkernels]: Skipping because of failed dependencies

thoughts?