[PATCH] mv643xx_eth: Remove non-working feature: task level rx queue refill

The task level rx queue refill feature hasn't ever worked
(at least in 2.6) and is of dubious value.  Remove it.

Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>