On ia64, the unaligned_print sysctl is a debugging knob under debug

and not under machdep as the behaviour is controlled by the process.
When PSR.ac is set the process expects to receive a SIGBUS. Otherwise
the processor or the kernel will emulate the misaligned memory access.

MFC after: 3 days

etc/rc.d/archdep

@@ -66,9 +66,6 @@ archdep_start()
 		osf1_compat
 		unaligned_warnings
 		;;
-	ia64)
-		unaligned_warnings
-		;;
 	esac
 	echo '.'
 }