PCI: PCIe portdrv: eliminate double kfree in remove path

Commit 55633af3 (PCIe portdrv: Use driver data to simplify code)
added a kfree of the driver private data in pcie_port_device_remove
but forgot to remove the old kfree from pcie_portdrv_remove.

Acked-by: Rafael J. Wysocki <[e-mail]>
Signed-off-by: Alex Chiang <[e-mail]>
Signed-off-by: Jesse Barnes <[e-mail]>

drivers/pci/pcie/portdrv_pci.c

···
 {
 	pcie_port_device_remove(dev);
 	pci_disable_device(dev);
-	kfree(pci_get_drvdata(dev));
 }
 
 static int error_detected_iter(struct device *device, void *data)