removed unused comments

Author: macnev2013

service/src/java/org/apache/hive/service/cli/session/HiveSessionImpl.java

@@ -195,8 +195,6 @@ public void open(Map<String, String> sessionConfMap) throws HiveSQLException {
     // Set fetch size in session conf map
     sessionConfMap = setFetchSize(sessionConfMap);
 
-    // Apply session configuration BEFORE creating metastore client
-    // so that client-provided settings (like aws.region) are available
     if (sessionConfMap != null) {
       configureSession(sessionConfMap);
     }