Delete ADOPTERS.md

Signed-off-by: HARPHUNA <109001160+HARPHUNA@users.noreply.github.com>

ADOPTERS.md

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- To add your organization to this list, open a pull request that adds your
- organization's name, optionally with a link. The list is in alphabetical order.
-
- (Remember to use `git commit --signoff` to comply with the DCO)
-
-# Organizations Using Helm
-
-- [Blood Orange](https://bloodorange.io)
-- [IBM](https://www.ibm.com)
-- [Microsoft](https://microsoft.com)
-- [Qovery](https://www.qovery.com/)
-- [Samsung SDS](https://www.samsungsds.com/)
-- [Softonic](https://hello.softonic.com/)
-- [Ville de Montreal](https://montreal.ca)
-
-_This file is part of the CNCF official documentation for projects._