hlmod: make into a singleton

It turns out there's no point in having multiple instances of
this or having to worry about destruction or destruction
ordering.

This will make it easier to reuse the one instance we have
across different modules.

1 files changed, 0 insertions, 15 deletions

diff --git a/t/hl_mod.t b/t/hl_mod.t
index 238f8ec5..f2eb5f91 100644
--- a/t/hl_mod.t
+++ b/t/hl_mod.t
@@ -40,19 +40,4 @@ my $orig = $str;
         }
 }
 
-my $nr = $ENV{TEST_MEMLEAK};
-if ($nr && -r "/proc/$$/status") {
-        my $fh;
-        open $fh, '<', "/proc/$$/status";
-        diag "starting at memtest at ".join('', grep(/VmRSS:/, <$fh>));
-        PublicInbox::HlMod->new->do_hl(\$orig) for (1..$nr);
-        open $fh, '<', "/proc/$$/status";
-        diag "creating $nr instances: ".join('', grep(/VmRSS:/, <$fh>));
-        my $hls = PublicInbox::HlMod->new;
-        $hls->do_hl(\$orig) for (1..$nr);
-        $hls = undef;
-        open $fh, '<', "/proc/$$/status";
-        diag "reused instance $nr times: ".join('', grep(/VmRSS:/, <$fh>));
-}
-
 done_testing;