reverting version changes

Author: ChhabraAnshul

includes/virtual-machines-imds.md

@@ -254,11 +254,7 @@ When you don't specify a version, you get an error with a list of the newest sup
 - 2021-02-01
 - 2021-03-01
 - 2021-05-01
-- 2021-08-01
 - 2021-10-01
-- 2021-11-01
-- 2021-11-15
-- 2021-12-13
 
 ### Swagger