[Dist][ez][nit] Formatted nccl version string in startup (#111076)
Formats the string using the existing getNCCLversion
Differential Revision: [D50193558](https://our.internmc.facebook.com/intern/diff/D50193558/)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/111076
Approved by: https://github.com/Skylion007
