Move environment variables to middleware. Closes #972.

pages/_app.js

@@ -5,7 +5,6 @@ import { IntlProvider } from 'react-intl';
 import { Provider } from 'react-redux';
 import { useStore } from 'redux/store';
 import useLocale from 'hooks/useLocale';
-import useForceSSL from 'hooks/useForceSSL';
 import 'styles/variables.css';
 import 'styles/bootstrap-grid.css';
 import 'styles/index.css';
@@ -25,7 +24,6 @@ const Intl = ({ children }) => {
 };
 
 export default function App({ Component, pageProps }) {
-  useForceSSL(process.env.FORCE_SSL);
   const store = useStore();
   const { basePath } = useRouter();