Revert "Use styled-jsx for amp support"

This reverts commit d2637fa.

Author: chibicode

pages/_app.js

@@ -7,7 +7,6 @@ import Layout from '~/components/layout/app'
 import DataContext from '~/lib/data-context'
 
 import baseTheme from '../styles/themes/base'
-import fontTheme from '../styles/themes/font'
 import withTypeStyles from '../styles/with-type'
 import nprogressStyles from '../styles/nprogress'
 
@@ -44,9 +43,6 @@ function MyApp({ Component, pageProps }) {
         </Head>
         <Layout data={data}>
           <Component {...pageProps} />
-          <style jsx global>
-            {fontTheme}
-          </style>
           <style jsx global>
             {baseTheme}
           </style>

styles/global.css

@@ -0,0 +1,3 @@
+@import './themes/base.css';
+@import './nprogress.css';
+@import './with-type.css';

styles/themes/font.js renamed to styles/themes/font.css

@@ -1,6 +1,3 @@
-import css from 'styled-jsx/css'
-
-export default css.global`
 /* latin */
 @font-face {
   font-family: 'Inter';
@@ -629,4 +626,3 @@ in most cases, they are not downloaded at all */
   unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1,
     U+01AF-01B0, U+1EA0-1EF9, U+20AB;
 }
-`