bonding: netpoll: remove unwanted slave_dev_support_netpoll()
bonding: netpoll: remove unwanted slave_dev_support_netpoll()

The __netpoll_setup() will check the slave's flag and ndo_poll_controller just
like the slave_dev_support_netpoll() does, and slave_dev_support_netpoll() was
not used by any place, so remove it.

Cc: Jay Vosburgh <9ab50f27d4201db9b28483ba83c48ebafbb2aa17@us.ibm.com>
Cc: Veaceslav Falico <13e4c2c2c15eff98ad47d02f3ccee2d83dc7015d@redhat.com>
Cc: Andy Gospodarek <e3579b1e47f273529f0f929453e939a68ede9fd1@greyhouse.net>
Signed-off-by: Ding Tianhong <6319509b12a56ad4c8f781f7750eb8df2374d4fd@huawei.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs