drop non-existent arg in callback

Dependencies

• [2] JUTECG5X bring template-live's protocol in sync with template-live-editor
• [3] TNRO6KLZ new live app

Change contents

• replacement in main.lua at line 353
  [3.9512]→[3.9512:9563](∅→∅),[3.9563]→[2.335:404](∅→∅)
  − function love.keyreleased(key, scancode, isrepeat)

  − if on.key_release then on.key_release(key, scancode, isrepeat) end
  [3.9512]

  [3.9632]
  + function love.keyreleased(key, scancode)

  + if on.key_release then on.key_release(key, scancode) end