Now that the filter are described using the python logging structure,
these classes are no longer needed.
(Bitbake rev: 2cb16e0c61609f3fb8a86530ddedf8ad0e69428e)
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>