Exclude the task "Create Subledger Journals in Spreadsheet" from General Accounting using Sandbox

Summary:

We had already a discussion in SR 4-00038361406, where Oracle support stated that it is not possible to exclude the task "Create Subledger Journals in Spreadsheet" from Security Roles.
Oracle support advised to exclude the task from menu using Sandbox.
Unfortunately it is not possible to exclude the task "Create Subledger Journals in Spreadsheet" from General Accounting (delete button is greyed out)

See attachment.

Please provide how to exclude the task from menu

Content (please ensure you mask any confidential information):

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

26C

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