remove bug fix for metrics timestamp from this PR

Author: amirkaws

examples/Metrics/src/HelloWorld/Function.cs

@@ -74,8 +74,7 @@ public Function(IDynamoDBContext dynamoDbContext, HttpClient httpClient)
     /// <returns>API Gateway Proxy response</returns>
     [Logging(LogEvent = true)]
     [Metrics(CaptureColdStart = true)]
-    public async Task<APIGatewayProxyResponse> FunctionHandler(APIGatewayProxyRequest apigwProxyEvent,
-        ILambdaContext context)
+    public async Task<APIGatewayProxyResponse> FunctionHandler(APIGatewayProxyRequest apigwProxyEvent, ILambdaContext context)
     {
         var requestContextRequestId = apigwProxyEvent.RequestContext.RequestId;
 

libraries/src/AWS.Lambda.Powertools.Metrics/Model/Metadata.cs

@@ -30,6 +30,7 @@ public class Metadata
     public Metadata()
     {
         CloudWatchMetrics = new List<MetricDirective> {new()};
+        Timestamp = DateTime.Now;
         CustomMetadata = new Dictionary<string, object>();
     }
 
@@ -38,7 +39,7 @@ public Metadata()
     /// </summary>
     /// <value>The timestamp.</value>
     [JsonConverter(typeof(UnixMillisecondDateTimeConverter))]
-    public DateTime Timestamp => DateTime.Now;
+    public DateTime Timestamp { get; }
 
     /// <summary>
     ///     Gets the cloud watch metrics.