Tweaks to EventCreatedAt column, and sample C# cleanup

Author: mathewc

sample/ApiHubFileTrigger-CSharp/run.csx

@@ -1,7 +1,4 @@
-using System;
-using Microsoft.Azure.WebJobs.Host;
-
-public static string Run(string input, TraceWriter log)
+public static string Run(string input, TraceWriter log)
 {
     log.Info($"C# ApiHub trigger function processed a file...");
     return input;

sample/BlobTrigger-CSharp/run.csx

@@ -1,7 +1,5 @@
 #r "Microsoft.WindowsAzure.Storage"
 
-using System;
-using Microsoft.Azure.WebJobs.Host;
 using Microsoft.WindowsAzure.Storage.Blob;
 
 public static void Run(CloudBlockBlob blob, CloudBlockBlob output, TraceWriter log)

sample/Bot-CSharp/run.csx

@@ -1,9 +1,4 @@
-using System;
-using System.Net;
-using System.Net.Http;
-using Microsoft.Azure.WebJobs.Host;
-
-public class BotMessage
+public class BotMessage
 {
     public string Source { get; set; }
     public string Message { get; set; }

sample/DocumentDB-CSharp/run.csx

@@ -1,6 +1,4 @@
-using System;
-
-public static object Run(string input)
+public static object Run(string input)
 {
     return new 
     {

sample/HttpTrigger-CSharp-CustomRoute/run.csx

@@ -1,10 +1,5 @@
 #r "Newtonsoft.Json"
 
-using System;
-using System.Net;
-using System.Net.Http;
-using Microsoft.Azure.WebJobs.Host;
-
 public class ProductInfo
 {
     public string Category { get; set; }

sample/HttpTrigger-CSharp-Poco/run.csx

@@ -1,9 +1,6 @@
 #r "System.Runtime.Serialization"
 
-using System;
 using System.Net;
-using System.Net.Http;
-using Microsoft.Azure.WebJobs.Host;
 using System.Runtime.Serialization;
 
 // DataContract attributes exist to demonstrate that

sample/HttpTrigger-CSharp/run.csx

@@ -1,12 +1,4 @@
-using System;
-using System.Linq;
-using System.Net;
-using System.Net.Http;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using Microsoft.Azure.WebJobs.Host;
-
-public static Task<HttpResponseMessage> Run(HttpRequestMessage req, TraceWriter log)
+public static Task<HttpResponseMessage> Run(HttpRequestMessage req, TraceWriter log)
 {
     var queryParams = req.GetQueryNameValuePairs()
         .ToDictionary(p => p.Key, p => p.Value, StringComparer.OrdinalIgnoreCase);

sample/HttpTriggerWithObject-CSharp/run.csx

@@ -1,7 +1,4 @@
-using System;
-using System.Net;
-
-public static TestObject Run(TestObject req)
+public static TestObject Run(TestObject req)
 {
     req.Greeting = $"Hello, {req.SenderName}";
 

sample/MobileTable-CSharp/run.csx

@@ -1,6 +1,4 @@
-using System;
-
-public static Item Run(string input)
+public static Item Run(string input)
 {
     return new Item
     {

sample/NotificationHub-CSharp/run.csx

@@ -1,5 +1,4 @@
-using System;
-public static string Run(string input)
+public static string Run(string input)
 {
     return "{\"message\":\"Hello from C# ! \",\"location\":\"Redmond\"}";
 }