feat: remove metaGenerator helper

- svg issue has been fixed https://github.com/hexojs/hexo/pull/3697

_config.yml

@@ -86,8 +86,6 @@ neat_svg:
 deploy:
   type:
 
-meta_generator: false
-
 feed:
   icon: '/svg/favicon.svg'
 

scripts/metaGenerator.js

@@ -1,8 +0,0 @@
-'use strict'
-/* global hexo */
-
-function metaGeneratorHelper () {
-  return '<meta name="generator" content="Hexo %s">'.replace('%s', this.env.version)
-}
-
-hexo.extend.helper.register('metaGenerator', metaGeneratorHelper)

themes/typing/layout/_partial/head.ejs

@@ -22,7 +22,6 @@
   %>
   <title><% if (title) { %><%= title %> | <% } %><%= config.title %></title>
   <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
-  <%- metaGenerator() %>
   <%/* Add Open Graph meta tags for easier sharing on social networking sites */%>
   <%/* Modified from original source for compatibility with my blog */%>
   <%- openGraph() %>