Minor, removed commented code

Author: andsel

logstash-core/src/test/java/org/logstash/instrument/metrics/MockNamespacedMetric.java

@@ -52,16 +52,13 @@ protected IRubyObject getCounter(ThreadContext context, IRubyObject key) {
     protected IRubyObject getTimer(ThreadContext context, IRubyObject key) {
         Objects.requireNonNull(key);
         requireRubySymbol(key, "key");
-//        return RubyUtil.toRubyObject(TimerMetric.create("test_timer"));
         return RubyUtil.toRubyObject(TimerMetric.create(key.asJavaString()));
     }
 
     @Override
     protected IRubyObject getHistogram(ThreadContext context, IRubyObject key) {
         Objects.requireNonNull(key);
         requireRubySymbol(key, "key");
-
-//        HistogramMetric metric = new HistogramMetric("test_batch_metric");
         return RubyUtil.toRubyObject(new HistogramMetric(key.asJavaString()));
     }