sfc/siena: Drop redundant pci_enable_pcie_error_reporting()

pci_enable_pcie_error_reporting() enables the device to send ERR_*
Messages.  Since f26e58bf ("PCI/AER: Enable error reporting when AER is
native"), the PCI core does this for all devices during enumeration, so the
driver doesn't need to do it itself.

Remove the redundant pci_enable_pcie_error_reporting() call from the
driver.  Also remove the corresponding pci_disable_pcie_error_reporting()
from the driver .remove() path.

Note that this only controls ERR_* Messages from the device.  An ERR_*
Message may cause the Root Port to generate an interrupt, depending on the
AER Root Error Command register managed by the AER service driver.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Martin Habets <habetsm.xilinx@gmail.com>
Acked-by: Edward Cree <ecree.xilinx@gmail.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/sfc/siena/efx.c

@@ -18,7 +18,6 @@
 #include <linux/ethtool.h>
 #include <linux/topology.h>
 #include <linux/gfp.h>
-#include <linux/aer.h>
 #include <linux/interrupt.h>
 #include "net_driver.h"
 #include <net/gre.h>
@@ -874,8 +873,6 @@ static void efx_pci_remove(struct pci_dev *pci_dev)
 
 	efx_siena_fini_struct(efx);
 	free_netdev(efx->net_dev);
-
-	pci_disable_pcie_error_reporting(pci_dev);
 };
 
 /* NIC VPD information
@@ -1094,8 +1091,6 @@ static int efx_pci_probe(struct pci_dev *pci_dev,
 		netif_warn(efx, probe, efx->net_dev,
 			   "failed to create MTDs (%d)\n", rc);
 
-	(void)pci_enable_pcie_error_reporting(pci_dev);
-
 	if (efx->type->udp_tnl_push_ports)
 		efx->type->udp_tnl_push_ports(efx);