sparc: remove PROM_AP1000

This seems to be left from the long gone AP1000 support.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/asm-sparc/oplib.h

@@ -21,7 +21,6 @@ enum prom_major_version {
 	PROM_V2,      /* sun4c and early sun4m V2 prom */
 	PROM_V3,      /* sun4m and later, up to sun4d/sun4e machines V3 */
 	PROM_P1275,   /* IEEE compliant ISA based Sun PROM, only sun4u */
-        PROM_AP1000,  /* actually no prom at all */
 	PROM_SUN4,    /* Old sun4 proms are totally different, but we'll shoehorn it to make it fit */
 };