fix(s3-deployment): responseURL is in CloudWatch Logs (#22952)

There is yet another place where `ResponseURL` was being logged to CloudWatch.

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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

packages/@aws-cdk/aws-s3-deployment/lib/lambda/index.py

@@ -236,7 +236,6 @@ def aws_command(*args):
 def cfn_send(event, context, responseStatus, responseData={}, physicalResourceId=None, noEcho=False, reason=None):
 
     responseUrl = event['ResponseURL']
-    logger.info(responseUrl)
 
     responseBody = {}
     responseBody['Status'] = responseStatus
@@ -306,4 +305,4 @@ def replace_markers(filename, markers):
 
     # # delete the original file and rename the new one to the original
     os.remove(filename)
-    os.rename(outfile, filename)
+    os.rename(outfile, filename)