[Flax tests] Disable scheduled GPU tests
Author: patrickvonplaten
Pull request: yes

# What does this PR do?

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The GPU tests are running forever at the moment and take up the whole gpu-test machine all the time. @patil-suraj we should probably sit together next week to investigate this a bit, make them much faster and then re-enable them.


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Models:

- albert, bert, xlm: @LysandreJik
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Comments:
_The documentation is not available anymore as the PR was closed or merged._

It's the compilation that takes for ever I think. I'll investigate a bit with @patil-suraj next week