delete a dead variable

Dependencies

• [2] EZHO4TSW new file-system format for freewheeling apps
• [3] LRDM35CE app running again

Change contents

• replacement in live.lua at line 72
  [2.1518]→[2.1518:1541](∅→∅)
  − live.load_all(files)
  [2.1518]

  [3.4293]
  + live.load_all()