Don't use key-service if it does not exist

[t-persson]

Applicable Issues

Keyservice is not deployed by default. Will be in #382

Description of the Change

Don't use apikeys unless we use SSE v2

Alternate Designs

I could remove the code, I just wanted to suggest this as an alternative

Possible Drawbacks

Sign-off

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Signed-off-by: Tobias Persson [email protected]