drop unused arg

Dependencies

• [2] HYEAFRZ2 split mouse_pressed events between Text and Drawing
• [3] DLQMM265 scroll past first page
• [4] BULPIBEG beginnings of a module for the text editor

Change contents

• replacement in text.lua at line 203
  [2.100]→[2.100:153](∅→∅)
  − function Text.move_cursor(line_index, line, x, hint)
  [2.100]

  [2.153]
  + function Text.move_cursor(line_index, line, x)