removed unused variable

Author: rishav-karanjit

Examples/runtimes/net/src/GetEncryptedDataKeyDescriptionExample.cs

@@ -14,8 +14,6 @@ public static async Task GetEncryptedDataKeyDescription()
         var kmsKeyId = TestUtils.TEST_KMS_KEY_ID;
         var ddbTableName = TestUtils.TEST_DDB_TABLE_NAME;
 
-        var region = Amazon.RegionEndpoint.GetBySystemName("us-east-1");
-
         var ddbEnc = new DynamoDbEncryption(new DynamoDbEncryptionConfig());
 
         string header_column = "aws_dbe_head";