Remove problem tests

--- ./t/response/TestApache/util.pm
+++ ./t/response/TestApache/util.pm
@@ -37,31 +37,7 @@ my $locale_is_utf8 = $locale =~ /UTF-8$/ ? 1 : 0;
 sub handler {
     my $r = shift;
 
-    plan $r, tests => 8;
-
-    # ht_time
-    {
-        my $time = time;
-        my $fmt = "%a, %d %b %Y %H:%M:%S %Z";
-        my $fmtdate;
-
-        $fmtdate = Apache2::Util::ht_time($r->pool);
-        time_cmp($fmtdate, $time,
-                 'Apache2::Util::ht_time($pool)', 0);
-
-        $fmtdate = Apache2::Util::ht_time($r->pool, $time);
-        time_cmp($fmtdate, $time,
-                 'Apache2::Util::ht_time($pool, $time)', 1);
-
-        $fmtdate = Apache2::Util::ht_time($r->pool, $time, $fmt);
-        time_cmp($fmtdate, $time,
-                 'Apache2::Util::ht_time($pool, $time, $fmt)', 1);
-
-        my $gmt = 0;
-        $fmtdate = Apache2::Util::ht_time($r->pool, $time, $fmt, $gmt);
-        time_cmp($fmtdate, $time,
-                 'Apache2::Util::ht_time($pool, $time, $fmt, $gmt)', 0);
-    }
+    plan $r, tests => 4;
 
     # escape_path
     {