staging: r8188eu: remove previously converted DBG_88E_LEVEL calls

staging: r8188eu: remove previously converted DBG_88E_LEVEL calls

Remove all netdev_dbg and dev_dbg calls that were previously converted
from DBG_88E_LEVEL. After some thought, it makes more sense to just
entirely strip all of these calls, so that debugging code in the driver
can be more consistent and useful going forwards.

Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20220216010709.791-2-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>