[netdrvr] zap PCI_VPD_ADDR constants from skfp, sk98lin drivers

They were unused, incorrect, and conflicting with defines
added to linux/pci.h.

Spotted by DaveM.

drivers/net/sk98lin/h/skgehw.h

@@ -384,7 +384,6 @@ extern "C" {
 /* VPD Region */
 /*	PCI_VPD_ADR_REG		16 bit	VPD Address Register */
 #define	PCI_VPD_FLAG	(1L<<15)	/* Bit 15:	starts VPD rd/wd cycle*/
-#define PCI_VPD_ADDR	(0x3fffL<<0)	/* Bit 14..0:	VPD address */
 
 /*
  *	Control Register File:

drivers/net/skfp/h/skfbi.h

@@ -1039,7 +1039,6 @@
 /*	PCI_VPD_NITEM		 8 bit (ML)	Next Item Ptr */
 /*	PCI_VPD_ADR_REG		16 bit (ML)	VPD Address Register */
 #define	PCI_VPD_FLAG	(1<<15)		/* Bit 15	starts VPD rd/wd cycle*/
-#define PCI_VPD_ADDR	(0x3fff<<0)	/* Bit  0..14	VPD address */
 
 /*	PCI_VPD_DAT_REG		32 bit (ML)	VPD Data Register */