GitLab

* Extract cpp distributed tests into a separate project
Signed-off-by: Vladimir Cherepanov <vcherepanov@nvidia.com>

* Remove obsolete exclusion
Signed-off-by: Vladimir Cherepanov <vcherepanov@nvidia.com>

* Run L1_cpp_distributed tests if at least 4 GPUs
Signed-off-by: Vladimir Cherepanov <vcherepanov@nvidia.com>

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Signed-off-by: Vladimir Cherepanov <vcherepanov@nvidia.com>