remove live simulation from TODO

TODO

@@ -1,6 +1,3 @@
- * open a separate window in Params to preview the stitches for the object
-   * user can see immediately what effect a given param change will have
-   * this will really revolutionize the interface and make it far more approachable!
  * pattern fill
     * turns out this is a lot easier than I thought it was
     * just like normal fill except the stitch locations in each row are chosen to make a pattern