fix generic compile

This will fix the generic compile by removing sn2 from the list of targets, since it depends on the new discontig code, which hasn't gone in yet.

Thanks,
Jesse

=== arch/ia64/Makefile 1.55 vs edited ==--- 1.55/arch/ia64/Makefile Wed Jun 18 22:09:21 2003
+++ edited/arch/ia64/Makefile Wed Jul 16 15:22:34 2003
@@ -66,8 +66,7 @@
drivers-$(CONFIG_PCI) += arch/ia64/pci/
drivers-$(CONFIG_IA64_HP_SIM) += arch/ia64/hp/sim/
drivers-$(CONFIG_IA64_HP_ZX1) += arch/ia64/hp/common/ arch/ia64/hp/zx1/
-drivers-$(CONFIG_IA64_GENERIC) += arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/ \
- arch/ia64/sn/
+drivers-$(CONFIG_IA64_GENERIC) += arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/

boot := arch/ia64/boot