chore: remove webpack shims from documentation (#82)

Author: carlobeltrame

docs/advanced.md

@@ -9,7 +9,6 @@ import DynamicContent from './dynamic-content.md'
 import Hyphenation from './hyphenation.md'
 import Debugging from './debugging.md'
 import Express from './express.md'
-import Webpack from './webpack.md'
 
 <EditButton to="https://github.com/react-pdf/site/blob/master/docs/advanced.md" />
 
@@ -23,7 +22,6 @@ import Webpack from './webpack.md'
 <Debugging components={components} />
 <Hyphenation components={components} />
 <Express components={components} />
-<Webpack components={components} />
 
 <NavigationButtons
   backSrc="/styling"

docs/webpack.md

@@ -198,7 +198,6 @@ const Menu = ({ opened }) => (
         <Item to="/advanced#debugging" title="Debugging" />
         <Item to="/advanced#hyphenation" title="Hyphenation" />
         <Item to="/advanced#usage-with-express.js" title="Usage with Express.js" />
-        <Item to="/advanced#webpack-config" title="Webpack config" />
       </Item>
 
       <Item to="/repl" title="Playground / REPL" />