remove unused input type

input/type.go

@@ -1,18 +0,0 @@
-package input
-
-//go:generate stringer -type=Type -linecomment
-
-type Type int
-
-const (
-	Argument Type = iota // argument
-	Option               // option
-)
-
-func (i Type) IsArgument() bool {
-	return i == Argument
-}
-
-func (i Type) IsOption() bool {
-	return i == Option
-}

input/type_string.go

@@ -1,24 +0,0 @@
-// Code generated by "stringer -type=Type -linecomment"; DO NOT EDIT.
-
-package input
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[Argument-0]
-	_ = x[Option-1]
-}
-
-const _Type_name = "argumentoption"
-
-var _Type_index = [...]uint8{0, 8, 14}
-
-func (i Type) String() string {
-	if i < 0 || i >= Type(len(_Type_index)-1) {
-		return "Type(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _Type_name[_Type_index[i]:_Type_index[i+1]]
-}