Revert "util: virlog: Introduce wildcard to log filters"
    
    This reverts commit 8daa593b0741452a78daea76075254ae7d3c6ab6.
    
    There are two undesirable aspects to the impl
    
      - Only a bare wildcard is permitted
      - The wildcard match is not performed in the order listed
    
    Reviewed-by: John Ferlan <jferlan@redhat.com>
    Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>