remove a local

Dependencies

• [2] D6T6FIO4 unnecessary coercion
• [3] LRDM35CE app running again

Change contents

• edit in live.lua at line 299
  [3.9940]→[3.9940:9968](∅→∅)
  − local msg = tostring(err)
• replacement in live.lua at line 305
  [3.10233]→[2.9:105](∅→∅)
  − local stack_trace = debug.traceback('Error: '..msg, --[[stack frame]]2):gsub('\n[^\n]+$', '')
  [3.10233]

  [3.10341]
  + local stack_trace = debug.traceback('Error: '..tostring(err), --[[stack frame]]2):gsub('\n[^\n]+$', '')