How to hide Created at and Last Modified at details in the DispForm.aspx and EditForm.aspx?

Workaround 1:
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1. Open the site in FrontPage
2. Open the Lists Folders
3. Open the List
4. Open the DispForm.aspx page
5. In the Design Mode, Right Click on the List select "Edit SharePointListForm"
6. Remove the fields

Apply the same steps for EditForm.aspx

Workaround 2:
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1. Open Site Definition folder / List definition folder
2. Open the schema.xml file
3. Search for DispForm.aspx
4. Search for Created at fields
5. Remove the entire block of <HTML...
6. Rstart IIS

Apply the same steps for EditForm.aspx