drop stale flag from documentation

Dependencies

• [2] UGYRO7TO forgot to commit documentation for the commandline arg
• [3] CZRMAMSB clearer discription of how to run lines.love
• [4] D4FEFHQC flesh out Readme
• [*] FS2ITYYH record a known issue

Change contents

• edit in README.md at line 38
  [3.783]→[2.18:188](∅→∅)
  −

  − You can also configure the size of the window on the commandline. For example:

  −

  − ```sh

  − $ path/to/love path/to/lines.love -geometry 640x480+10+10 path/to/file/to/edit

  − ```
• edit in README.md at line 39
  [3.784]→[2.189:389](∅→∅)
  − The syntax of the geometry parameter is {width}x{height}+{x}+{y} which will

  − position the top-left corner of the window at co-ordinate (x,y). The geometry

  − parameter must come before the file to edit.

  −