obsolete manual test

Dependencies

• [2] EWJZ6XHB better formatting
• [3] 4AXV2HG4 all pending manual tests done!
• [4] 66X36NZN a little more prose describing manual_tests
• [5] KKMFQDR4 editing source code from within the app
• [*] BJ5X5O4A let's prevent the text cursor from ever getting on a drawing

Change contents

• edit in Manual_tests.md at line 5
  [3.1991]→[3.210552:210562](∅→∅),[3.210562]→[2.37:80](∅→∅)
  −

  − Startup:

  −

  − - terminal log shows unit tests running