remove extra whitespace

Author: mayurkale22

packages/opencensus-instrumentation-grpc/test/test-grpc.ts

@@ -19,7 +19,6 @@ import {logger} from '@opencensus/core';
 import * as assert from 'assert';
 import * as grpcModule from 'grpc';
 import * as path from 'path';
-
 import {GRPC_TRACE_KEY, GrpcModule, GrpcPlugin, plugin, SendUnaryDataCallback} from '../src/';
 import * as clientMetrics from '../src/grpc-stats/client-metrics';
 import * as serverMetrics from '../src/grpc-stats/server-metrics';
@@ -30,7 +29,6 @@ const grpcPort = 50051;
 const MAX_ERROR_STATUS = grpcModule.status.UNAUTHENTICATED;
 const log = logger.logger();
 
-
 class TestExporter implements StatsEventListener {
   registeredViews: View[] = [];
   recordedMeasurements: Measurement[] = [];