kbase: Shorten "less verbose QEMU logging" example
Rationale for the changes:
* access can be filtered out entirely, as nothing very
interesting is produced by the only other component in the
same package (access.accessdriverpolkit);
* util.udev doesn't exist.
Related filters are also more consistently grouped together.
Signed-off-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com>