Remove s-headers from cfn-publish (#47)

Author: ConnorKirk

cfn-publish.config

@@ -1,5 +1,5 @@
 template=templates/main.yaml
 acl="public-read"
-extra_files="witch.zip s-headers.zip www/index.html www/css/style.css www/404.html www/other.html"
+extra_files="witch.zip www/index.html www/css/style.css www/404.html www/other.html"
 bucket_name_prefix="solution-builders"
 regions="us-east-1"