i40e/i40evf: remove storm control

The storm control features are not part of the hardware
and mistakenly were left in the code.  Remove them as
they are not needed any more.

Change-ID: I6e9277c8da2c52e69348a657bae25271449c2099
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --cc drivers/net/ethernet/intel/i40e/i40e_main.c
Simple merge

diff --cc drivers/net/ethernet/intel/i40e/i40e_register.h
Simple merge

diff --cc drivers/net/ethernet/intel/i40e/i40e_txrx.h
Simple merge

diff --cc drivers/net/ethernet/intel/i40evf/i40e_register.h
Simple merge

diff --cc drivers/net/ethernet/intel/i40evf/i40e_txrx.h
Simple merge