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.

(cherry picked from commit b1425b5)

scstadmin/scstadmin.sysfs/scstadmin

@@ -3024,6 +3024,9 @@ 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}) {
@@ -3035,6 +3038,7 @@ sub addVirtualTarget {
 			enableTarget($driver, $_target);
 		}
 	}
+	}
 
 	print "\t-> Creating target '$target' for driver '$driver': ";
 	my $rc = $SCST->addVirtualTarget($driver, $target, $attributes);