net: hns3: rename enable error interrupt functions

This patch
- renames the enable error interrupt functions.
  The reason is that these functions
  are used for both enable and disable error interrupts.

- removes redundant logs from the enable error interrupt functions.

Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>