removed unused docker_host_m2m_credentials_path
removed unused docker_host_m2m_credentials_path

CSC-IT-Center-for-Science/pouta-blueprints,CSC-IT-Center-for-Science/pouta-blueprints,CSC-IT-Center-for-Science/pouta-blueprints,CSC-IT-Center-for-Science/pouta-blueprints