Remove ctp 2.3 example

Author: uc-msft

samples/features/sql-big-data-cluster/bootstrap-sample-db.sql

@@ -80,14 +80,8 @@ BEGIN
 		WITH (LOCATION = 'sqldatapool://service-mssql-controller:8080/datapools/default');
 
 	IF NOT EXISTS(SELECT * FROM sys.external_data_sources WHERE name = 'SqlStoragePool')
-	BEGIN
-		IF SERVERPROPERTY('ProductLevel') = 'CTP2.3'
-			CREATE EXTERNAL DATA SOURCE SqlStoragePool
-			WITH (LOCATION = 'sqlhdfs://service-mssql-controller:8080');
-		ELSE IF SERVERPROPERTY('ProductLevel') = 'CTP2.4'
 			CREATE EXTERNAL DATA SOURCE SqlStoragePool
 			WITH (LOCATION = 'sqlhdfs://service-master-pool:50070');
-	END
 
 	IF NOT EXISTS(SELECT * FROM sys.external_data_sources WHERE name = 'HadoopData')
 		CREATE EXTERNAL DATA SOURCE HadoopData