refactoring mysql store code

weed/filer/mysql_store/mysql_store_test.go

@@ -6,36 +6,6 @@ import (
 	"testing"
 )
 
-/*
-To improve performance when storing billion of files, you could shar
-At each mysql instance, we will try to create 1024 tables if not exist, table name will be something like:
-filer_mapping_0000
-filer_mapping_0001
-.....
-filer_mapping_1023
-sample conf should be
-
->$cat filer_conf.json
-{
-    "mysql": [
-        {
-            "User": "root",
-            "Password": "root",
-            "HostName": "127.0.0.1",
-            "Port": 3306,
-            "DataBase": "seaweedfs"
-        },
-        {
-            "User": "root",
-            "Password": "root",
-            "HostName": "127.0.0.2",
-            "Port": 3306,
-            "DataBase": "seaweedfs"
-        }
-    ]
-}
-*/
-
 func TestGenerateMysqlConf(t *testing.T) {
 	var conf []MySqlConf
 	conf = append(conf, MySqlConf{