add more images

UrumbotXY-Fall2022/README.md

@@ -34,9 +34,7 @@ Note how the string is inserted on the capstans. The string can be attached to t
 <img src=img/capstan.jpg width=100%><br>
 
 
-Here is a video of the motion at constant speed:
 
-<img src=video/corexy_linear.mp4 width=100%><br>
 
 
 ## Pen plotter
@@ -50,16 +48,5 @@ Drawing:
 <img src=video/corexy_spiral.mp4 width=100%><br>
 
 
-## Linear axis
 
-Assembly:
 
-<img src=img/axis.jpg width=100%><br>
-
-Constant speed:
-
-<img src=video/axis_linear.mp4 width=100%><br>
-
-Acceleration:
-
-<img src=video/axis_acceleration.mp4 width=100%><br>