delete some logs

Dependencies

• [2] QZ2SXLHF some debug prints
• [3] ZQZX364V use a helper
• [4] IOCATA27 bugfix: never skip files in file navigator
• [5] KKMFQDR4 editing source code from within the app

Change contents

• edit in commands.lua at line 56
  [3.206277]→[2.105:142](∅→∅)
  − log_start('render file navigator')
• edit in commands.lua at line 61
  [3.206487]→[2.143:160](∅→∅)
  − log(2, file)
• edit in commands.lua at line 66
  [3.206548]→[2.161:196](∅→∅)
  − log_end('render file navigator')