Updated Middleware Tier blobstore (markdown)

Middleware-Tier-blobstore.md

@@ -19,13 +19,6 @@ Start the s3proxy service
 ./s3proxy --properties s3proxy.properties
 ```
 
-You'll see at the beginning of the logs the corresponding mapping 
-```
-Using storage class override backend
-Configuration storage class: STANDARD_IA
-Mapping storage storage class to: STANDARD_IA
-```
-
 Then with this configuration you can run this test 
 ```
 export AWS_ACCESS_KEY_ID=local-identity