remove an unused file

protocol/types.go

@@ -1,23 +0,0 @@
-package protocol
-
-// type Values []interface{}
-
-// type ColumnType int
-
-// const (
-// 	StringType ColumnType = iota
-// 	IntType
-// 	FloatType
-// )
-
-// type Series struct {
-// 	Name        *string
-// 	ColumnNames []*string
-// 	ColumnTypes []ColumnType
-// 	Points      []*Point
-// }
-
-// type Point struct {
-// 	Timestamp int64
-// 	Values    []Values
-// }