update font

layout/_partial/head.ejs

@@ -29,8 +29,6 @@
   <link rel="shortcut icon" href="<%= config.shortcut_icon %>" />
   <link rel="icon" href="<%= config.favicon %>" />
   <link href="https://fonts.googleapis.com/css?family=Ubuntu" rel="stylesheet">
-  <link href="https://fonts.googleapis.com/css?family=Inconsolata|Titillium+Web" rel="stylesheet">
-  <link href="https://fonts.googleapis.com/css?family=Roboto+Mono" rel="stylesheet">
   <link href="https://cdn.bootcss.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
   <link href='//cdn.bootcss.com/node-waves/0.7.5/waves.min.css' rel='stylesheet'>
   <%- css('style.css') %>

source/less/_defines.less

@@ -1,8 +1,8 @@
 // Font families
 @fallback-font-family: Menlo, Monaco, 'Ubuntu', Helvetica, "Hiragino Sans GB", "Hiragino Sans GB W3", Source Han Sans CN Regular, WenQuanYi Micro Hei, "Microsoft YaHei", Arial, sans-serif;
-@base-font-family: 'Ubuntu', Menlo, Monaco, 'Titillium Web', @fallback-font-family;
-@code-font-family: Menlo, Monaco, 'Ubuntu', "Roboto Mono", Helvetica, Consolas, monospace, sans-serif, @fallback-font-family;
-@title-font-family: 'Ubuntu', Menlo, Monaco, "Roboto Mono", Helvetica, Consolas, monospace, sans-serif, @fallback-font-family;
+@base-font-family: 'Ubuntu', Menlo, Monaco, @fallback-font-family;
+@code-font-family: Menlo, Monaco, 'Ubuntu', Helvetica, Consolas, monospace, sans-serif, @fallback-font-family;
+@title-font-family: 'Ubuntu', Menlo, Monaco, Helvetica, Consolas, monospace, sans-serif, @fallback-font-family;
 // Font configuration
 @base-font-size:   16px;
 @small-font-size:  @base-font-size * 0.875;