[json] fetch http and https schemas on the ext host

extensions/json-language-features/server/extension.webpack.config.js

@@ -21,6 +21,6 @@ module.exports = withDefaults({
 		path: path.join(__dirname, 'dist')
 	},
 	plugins: [
-		new webpack.IgnorePlugin(/vertx/)
-	],
+		new webpack.IgnorePlugin(/vertx/) // request-light dependendeny
+	]
 });