Revert "r8169: avoid link-up interrupt issue on RTL8106e if user enables ASPM"

This reverts commit 1ee8856d.

This is used to re-enable ASPM on RTL8106e, if it is possible.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>