PCI: Remove the unused pci wrappers pci_pool_xxx()

The wrappers around dma_pool_xxx should go away, so
remove the unused pci wrappers.
Prefer using dma_pool_xxx() instead of the pci wrappers
pci_pool_xxx(), and the use of pci_pool_xxx was already
removed.

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>

include/linux/pci.h

@@ -1502,19 +1502,6 @@ int pci_set_vga_state(struct pci_dev *pdev, bool decode,
 #define PCI_IRQ_ALL_TYPES \
 	(PCI_IRQ_LEGACY | PCI_IRQ_MSI | PCI_IRQ_MSIX)
 
-/* kmem_cache style wrapper around pci_alloc_consistent() */
-
-#include <linux/dmapool.h>
-
-#define	pci_pool dma_pool
-#define pci_pool_create(name, pdev, size, align, allocation) \
-		dma_pool_create(name, &pdev->dev, size, align, allocation)
-#define	pci_pool_destroy(pool) dma_pool_destroy(pool)
-#define	pci_pool_alloc(pool, flags, handle) dma_pool_alloc(pool, flags, handle)
-#define	pci_pool_zalloc(pool, flags, handle) \
-		dma_pool_zalloc(pool, flags, handle)
-#define	pci_pool_free(pool, vaddr, addr) dma_pool_free(pool, vaddr, addr)
-
 struct msix_entry {
 	u32	vector;	/* Kernel uses to write allocated vector */
 	u16	entry;	/* Driver uses to specify entry, OS writes */