Update ChangeLog.md

Author: wyunchi-ms

src/NetworkCloud/NetworkCloud/ChangeLog.md

@@ -18,8 +18,6 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
-
-## Version 1.2.0
 * Upgraded API version to 2025-02-01
 
 ## Version 1.1.0