Update prepare-for-chrome-web-store

Author: t123yh

prepare-for-chrome-web-store.py

@@ -11,8 +11,8 @@
 # Remove private permissions
 manifest['permissions'] = [p for p in manifest['permissions'] if not p.endswith('Private')]
 
-# Remove key 
 manifest.pop('key')
+manifest.pop('update_url')
 
 with open('manifest.json', 'w') as f:
-    json.dump(manifest, f, indent=4)
+    json.dump(manifest, f, indent=4)