Added empty line in the end of a test file and removed comments

Author: felipesantosk

examples/otlp/grpc_metric_main.cc

@@ -57,10 +57,6 @@ void InitMetrics(std::string &name)
 
   auto provider = metric_sdk::MeterProviderFactory::Create(std::move(context));
 
-  // auto provider = opentelemetry::sdk::metrics::MeterProviderFactory::Create();
-
-  // std::shared_ptr<opentelemetry::metrics::MeterProvider> provider(std::move(u_provider));
-
   // histogram view
   std::string histogram_name = name + "_histogram";
   std::string unit           = "unit";

sdk/test/metrics/aggregation_test.cc

@@ -316,4 +316,4 @@ TEST(aggregation, Base2ExponentialHistogramAggregation)
   EXPECT_EQ(diffd_point.positive_buckets_.Get(1), 2);
   EXPECT_EQ(diffd_point.negative_buckets_.Get(-2), 1);
   EXPECT_EQ(diffd_point.positive_buckets_.Get(2), 0);
-}
+}