Disable unused expensive code in addVirtualTarget

The code to enable all hardware targets before creating virtual ones
becomes more expensive as the target count climbs.

scstadmin/scstadmin.sysfs/scstadmin

@@ -3031,6 +3031,9 @@ sub addVirtualTarget {
 	my $errorString;
 	my $targets;
 
+	# Disable this code.  Never used but gets expensive as the
+	# target count climbs.
+	if (0) {
 	# Enable all hardware targets before creating virtual ones
 	($targets, $errorString) = $SCST->targets($driver);
 	foreach my $_target (@{$targets}) {
@@ -3042,6 +3045,7 @@ sub addVirtualTarget {
 			enableTarget($driver, $_target);
 		}
 	}
+	}
 
 	print "\t-> Creating target '$target' for driver '$driver': ";
 	my $rc = $SCST->addVirtualTarget($driver, $target, $attributes);