Revert "DEBUG: Preventing chown_debug_file if journald on"
    
    This reverts commit 6e2822b151c21ce6e3287a0cf25d40e9f10a6127.
    
    The function chown_debug_file is called before initialization
    of debug stuff in sssd. Therefore variable debug_file cannot be
    initialized. Therefore reverted commit completely turned off
    changing owner of debug files. Side effect of this change
    was that annoying error messages was not logged in case of
    journald.
    
    Resolves:
    https://fedorahosted.org/sssd/ticket/2938
    
    Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>