Amiga: disable SYSCF, drop sysconf from package

SYSCF is for multi-user system-admin lockdown; single-user Amigas
don't need it, and assure_syscf_file() killing the binary when run
outside NetHack: was breaking normal launches.

include/amiconf.h

@@ -212,4 +212,7 @@ struct ami_sysflags {
 };
 extern struct ami_sysflags sysflags;
 
+#undef SYSCF
+#undef SYSCF_FILE
+
 #endif /* AMICONF_H */

sys/unix/hints/include/cross-post.500

@@ -318,7 +318,6 @@ amigapkg: $(AMITILES) ../util/uudecode
 	cp $(TARGETPFX)tiles16.iff $(TARGETPFX)pkg/tiles/tiles16.iff
 	cp $(TARGETPFX)tiles32.iff $(TARGETPFX)pkg/tiles/tiles32.iff
 	cp $(TARGETPFX)tomb.iff $(TARGETPFX)pkg/tomb.iff
-	cp ../sys/msdos/sysconf $(TARGETPFX)pkg/sysconf
 	cp ../doc/nethack.txt $(TARGETPFX)pkg/nethack.txt
 	( cd $(TARGETPFX)pkg && ../../../util/uudecode ../../../sys/amiga/amifont8.uu && mv 8 hack/8 )
 	( cd $(TARGETPFX)pkg && ../../../util/uudecode ../../../sys/amiga/amifont.uu )