Reduced token size

src/build/ast/Define.go

@@ -1,8 +1,6 @@
 package ast
 
 import (
-	"fmt"
-
 	"git.akyoto.dev/cli/q/src/build/expression"
 	"git.akyoto.dev/cli/q/src/build/token"
 )
@@ -12,7 +10,3 @@ type Define struct {
 	Value *expression.Expression
 	Name  token.Token
 }
-
-func (node *Define) String() string {
-	return fmt.Sprintf("(= %s %s)", node.Name.Text(), node.Value)
-}