qspawn: drop unused err arg for ->event_step

It's no longer needed since psgi_qx doesn't use a pipe, anymore.

diff --git a/lib/PublicInbox/Qspawn.pm b/lib/PublicInbox/Qspawn.pm
index 0f90069180f196b22a01d91694d269a5aef0f438..9a7e8734fb7699ed6881d2bddd12c91daf82dba1 100644 (file)
--- a/lib/PublicInbox/Qspawn.pm
+++ b/lib/PublicInbox/Qspawn.pm
@@ -163,8 +163,7 @@ sub psgi_qx {
 # via PublicInbox::DS event loop OR via GetlineBody for generic
 # PSGI servers.
 sub event_step {
-       my ($self, $err) = @_; # $err: $!
-       warn "psgi_{return,qx} $err" if defined($err);
+       my ($self) = @_;
        finish($self);
        my $fh = delete $self->{qfh};
        $fh->close if $fh; # async-only (psgi_return)