reorder using

Author: Sergey Kanzhelev

src/OpenCensus/Api/Common/IClock.cs

@@ -1,9 +1,4 @@
-using OpenCensus.Trace;
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace OpenCensus.Common
+namespace OpenCensus.Common
 {
     public interface IClock
     {

src/OpenCensus/Api/Common/IDuration.cs

@@ -1,9 +1,7 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace OpenCensus.Common
+namespace OpenCensus.Common
 {
+    using System;
+
     public interface IDuration : IComparable<IDuration>
     {
         long Seconds { get; }

src/OpenCensus/Api/Common/IScope.cs

@@ -1,9 +1,7 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace OpenCensus.Common
+namespace OpenCensus.Common
 {
+    using System;
+
     public interface IScope : IDisposable
     {
     }

src/OpenCensus/Api/Common/ITimestamp.cs

@@ -1,9 +1,7 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace OpenCensus.Common
+namespace OpenCensus.Common
 {
+    using System;
+
     public interface ITimestamp : IComparable<ITimestamp>
     {
         long Seconds { get; }

src/OpenCensus/Api/Internal/IEventQueue.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace OpenCensus.Internal
+namespace OpenCensus.Internal
 {
     public interface IEventQueue
     {

src/OpenCensus/Api/Internal/IEventQueueEntry.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace OpenCensus.Internal
+namespace OpenCensus.Internal
 {
     public interface IEventQueueEntry
     {

src/OpenCensus/Api/Internal/ITimestampConverter.cs

@@ -1,10 +1,7 @@
-using OpenCensus.Common;
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace OpenCensus.Internal
+namespace OpenCensus.Internal
 {
+    using OpenCensus.Common;
+
     public interface ITimestampConverter
     {
         ITimestamp ConvertNanoTime(long nanoTime);

src/OpenCensus/Api/Stats/Aggregations/ICount.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace OpenCensus.Stats.Aggregations
+namespace OpenCensus.Stats.Aggregations
 {
     public interface ICount : IAggregation
     {

src/OpenCensus/Api/Stats/Aggregations/ICountData.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace OpenCensus.Stats.Aggregations
+namespace OpenCensus.Stats.Aggregations
 {
     public interface ICountData : IAggregationData
     {

src/OpenCensus/Api/Stats/Aggregations/IDistribution.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace OpenCensus.Stats.Aggregations
+namespace OpenCensus.Stats.Aggregations
 {
     public interface IDistribution : IAggregation
     {