mtd: remove use of __devexit

CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
diff --git a/drivers/mtd/nand/denali_pci.c b/drivers/mtd/nand/denali_pci.c
index f1f8f89..e3e4662 100644
--- a/drivers/mtd/nand/denali_pci.c
+++ b/drivers/mtd/nand/denali_pci.c
@@ -137,7 +137,7 @@
 }
 module_init(denali_init_pci);
 
-static void __devexit denali_exit_pci(void)
+static void denali_exit_pci(void)
 {
 	pci_unregister_driver(&denali_pci_driver);
 }