拿掉 build files

node_modules/css-tree/lib/convertor/create.js

@@ -1,28 +0,0 @@
-var List = require('../common/List');
-
-module.exports = function createConvertors(walk) {
-    return {
-        fromPlainObject: function(ast) {
-            walk(ast, {
-                enter: function(node) {
-                    if (node.children && node.children instanceof List === false) {
-                        node.children = new List().fromArray(node.children);
-                    }
-                }
-            });
-
-            return ast;
-        },
-        toPlainObject: function(ast) {
-            walk(ast, {
-                leave: function(node) {
-                    if (node.children && node.children instanceof List) {
-                        node.children = node.children.toArray();
-                    }
-                }
-            });
-
-            return ast;
-        }
-    };
-};

node_modules/css-tree/lib/convertor/index.js

@@ -1,3 +0,0 @@
-var createConvertor = require('./create');
-
-module.exports = createConvertor(require('../walker'));