Remove unused logger instance

Author: jogep

aws-serverless-java-container-struts2/src/main/java/com/amazonaws/serverless/proxy/struts2/Struts2LambdaHandler.java

@@ -16,8 +16,6 @@
 import com.amazonaws.serverless.proxy.model.AwsProxyResponse;
 import com.amazonaws.services.lambda.runtime.Context;
 import com.amazonaws.services.lambda.runtime.RequestStreamHandler;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -32,8 +30,6 @@
  */
 public class Struts2LambdaHandler implements RequestStreamHandler {
 
-    private static final Logger log = LoggerFactory.getLogger(Struts2LambdaHandler.class);
-
     private final Struts2LambdaContainerHandler<AwsProxyRequest, AwsProxyResponse> handler = Struts2LambdaContainerHandler
             .getAwsProxyHandler();