How to update Demand Class information

Summary:

"Manage Demand Class" is only information review rather than "Manage"

Content (required):

"Manage Demand Classes" in planning module only provide the information of existing demand class.

1) How to update the demand class name

2) How to remove the demand class

Version (include the version you are using, if applicable):

22C

Code Snippet (add any code snippets that support your topic, if applicable):