chore: tweaks comments

lib/prepare/resolvePlugin.js

@@ -2,7 +2,6 @@ const path = require('path')
 const Plugin = require('../plugin-api')
 const PluginContext = require('../plugin-api/context')
 
-// built-in plugins
 const lastUpdatedPlugin = require('../../packages/vuepress-plugin-last-updated')
 const enhanceAppPlugin = require('../../packages/vuepress-plugin-enhance-app')
 const registerGlobalComponentsPlugin = require('../../packages/vuepress-plugin-register-global-components')
@@ -14,9 +13,9 @@ module.exports = function (options) {
   const plugin = new Plugin(pluginContext)
 
   plugin
-    // 1. user plugin
+    // user plugin
     .useByConfigs(siteConfig.plugins)
-    // 2. built-in plugins
+    // built-in plugins
     .use(enhanceAppPlugin)
     .use(registerGlobalComponentsPlugin, {
       baseDirs: [
@@ -25,13 +24,13 @@ module.exports = function (options) {
       ]
     })
 
-  // 1. whether to use active header links
+  // whether to use active header links
   const { activeHeaderLinks = true } = themeConfig
   if (activeHeaderLinks) {
     plugin.use(activeHeaderLinksPlugin)
   }
 
-  // 2. whether to use last updated
+  // whether to use last updated
   const shouldUseLastUpdated = (
     themeConfig.lastUpdated ||
     Object.keys(siteConfig.locales && themeConfig.locales || {})