PCI: Remove unused alloc_pci_dev()

My philosophy is unused code is dead code.  And dead code is subject to bit
rot and is a likely source of bugs.  Use it or lose it.

This removes this unused and deprecated interface:

    alloc_pci_dev()

[bhelgaas: split to separate patch]
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/probe.c

@@ -1242,12 +1242,6 @@ struct pci_dev *pci_alloc_dev(struct pci_bus *bus)
 }
 EXPORT_SYMBOL(pci_alloc_dev);
 
-struct pci_dev *alloc_pci_dev(void)
-{
-	return pci_alloc_dev(NULL);
-}
-EXPORT_SYMBOL(alloc_pci_dev);
-
 bool pci_bus_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *l,
 				 int crs_timeout)
 {

include/linux/pci.h

@@ -375,7 +375,6 @@ static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
 }
 
 struct pci_dev *pci_alloc_dev(struct pci_bus *bus);
-struct pci_dev * __deprecated alloc_pci_dev(void);
 
 #define	to_pci_dev(n) container_of(n, struct pci_dev, dev)
 #define for_each_pci_dev(d) while ((d = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, d)) != NULL)