add sql colorizer 19

Author: icoric

docs/t-sql/statements/drop-endpoint-transact-sql.md

@@ -32,8 +32,7 @@ ms.author: maghan
 
 ## Syntax  
 
-```  
-  
+```syntaxsql
 DROP ENDPOINT endPointName  
 ```  
 
@@ -52,7 +51,7 @@ DROP ENDPOINT endPointName
 ## Examples  
  The following example removes a previously created endpoint called `sql_endpoint`.  
 
-```  
+```sql  
 DROP ENDPOINT sql_endpoint;  
 ```