Issue 50680 - Remove branding from upstream spec file
    
    Bug Description:
    Branding logic is triggered in EPEL builds. We should not have it in
    upstream as it should be applied in the downstream only.
    
    Fix Description:
    Remove branding.
    
    Fixes: https://pagure.io/389-ds-base/issue/50680
    
    Reviewed by: mreynolds (Thanks!)