Azure Monitor Exporter - Remove unused public properties (Azure#16988)

* Remove unused public properties

* Update API

Author: rajkumar-rangaraj

sdk/monitor/Microsoft.OpenTelemetry.Exporter.AzureMonitor/api/Microsoft.OpenTelemetry.Exporter.AzureMonitor.netstandard2.0.cs

@@ -8,8 +8,6 @@ public partial class AzureMonitorExporterOptions : Azure.Core.ClientOptions
     {
         public AzureMonitorExporterOptions() { }
         public string ConnectionString { get { throw null; } set { } }
-        public long MaxTransmissionStorageCapacity { get { throw null; } set { } }
-        public string StorageFolder { get { throw null; } set { } }
     }
     public partial class AzureMonitorTraceExporter : OpenTelemetry.BaseExporter<System.Diagnostics.Activity>
     {

sdk/monitor/Microsoft.OpenTelemetry.Exporter.AzureMonitor/src/AzureMonitorExporterOptions.cs

@@ -7,13 +7,6 @@ namespace Microsoft.OpenTelemetry.Exporter.AzureMonitor
 {
     public class AzureMonitorExporterOptions : ClientOptions
     {
-        private const int DefaultCapacityKiloBytes = 50 * 1024;
-        private const long StorageCapacity = DefaultCapacityKiloBytes * 1024;
-
         public string ConnectionString { get; set; }
-
-        public long MaxTransmissionStorageCapacity { get; set; } = StorageCapacity;
-
-        public string StorageFolder { get; set; }
     }
 }