Remove runtime require

Author: javivelasco

src/file-system-loader.js

@@ -36,14 +36,6 @@ export default class FileSystemLoader {
         rootRelativePath = path.resolve( relativeDir, newPath ),
         fileRelativePath = path.resolve( path.join( this.root, relativeDir ), newPath )
 
-      // if the path is not relative or absolute, try to resolve it in node_modules
-      if (newPath[0] !== '.' && newPath[0] !== '/') {
-        try {
-          fileRelativePath = require.resolve(newPath);
-        }
-        catch (e) {}
-      }
-
       const tokens = this.tokensByFile[fileRelativePath]
       if (tokens) { return resolve(tokens) }