thread: order_children no longer cares about depth

We never use the depth anywhere in this sub

1 files changed, 1 insertions, 6 deletions

diff --git a/lib/PublicInbox/SearchThread.pm b/lib/PublicInbox/SearchThread.pm
index ba31f432..2e7b79a0 100644
--- a/lib/PublicInbox/SearchThread.pm
+++ b/lib/PublicInbox/SearchThread.pm
@@ -203,7 +203,6 @@ sub order_children {
         my ($walk, $ordersub) = @_;
 
         my %seen;
-        my $depth = 0;
         my @visited;
         while ($walk) {
                 push @visited, $walk;
@@ -222,17 +221,13 @@ sub order_children {
                 }
 
                 # go down, or across
-                if ($child) {
-                        $next = $child;
-                        ++$depth;
-                }
+                $next = $child if $child;
 
                 # no next?  look up
                 if (!$next) {
                         my $up = $walk;
                         while ($up && !$next) {
                                 $up = $up->{parent};
-                                --$depth;
                                 $next = $up->{next} if $up;
                         }
                 }