If you want to to remove an extension that you no longer require in your project:

  1.  Switch to the JavaScript view
  2. Select the Explorer menu, below the emulator
  3. Choose the cycle or trash icon next to the extension you wish to update/remove. If you are updating the extension this will happen automatically and will display an updated version number. If you are removing the package, you will need  to confirm that you wish to Remove it.