net: mvneta: Delete unused variable

The variable pp is not in use - delete it.

Signed-off-by: Yuval Shaia <yshaia@marvell.com>
Link: https://lore.kernel.org/r/20211013064921.26346-1-yshaia@marvell.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>