TrkiPatFitter: Suppress warnings
As discussed on https://its.cern.ch/jira/browse/ATLASRECTS-7515 and ATLASRECTS-7528, we are suppressing these old warnings until someone can work on it properly.
I have commented the warnings in the code, so we can easily come back to them.
(Replaces !72981 (closed) which was against the wrong branch)