Remove hard coded lang property

We don't need to pass here this hard coded param. When lang is set to en always english version of release notes are returned.

src/providers/ios.js

@@ -1,6 +1,6 @@
 export const getIosVersion = async (bundleId, country) => {
   // Adds a random number to the end of the URL to prevent caching
-  const url = `https://itunes.apple.com/lookup?lang=${country}&bundleId=${bundleId}&country=${country}&_=${new Date().valueOf()}`;
+  const url = `https://itunes.apple.com/lookup?bundleId=${bundleId}&country=${country}&_=${new Date().valueOf()}`;
 
   let res = await fetch(url);