Update readthedocs.yml

PySimpleGUI · web-flow · commit 69a2c41878b1 · 2021-09-27T13:50:57.000-04:00
diff --git a/readthedocs.yml b/readthedocs.yml
@@ -6,4 +6,3 @@ python:
 
 mkdocs:
   configuration: mkdocs.yml
-  version: 2
