Driver: Get rid of CCM dependency

[pierre-emmanuelJ]

Description

Get rid of the Cloud Controller Manager dependency

Checklist

(For exoscale contributors)

• [x] Changelog updated (under Unreleased block)
• [x] Integration tests OK

Testing

[pierre-emmanuelJ]

Probably we need to recreate the test cluster for integration test, seems in bad shape

I've also run it locally to my personal cluster test, it's PASSING also.