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Remove AWS_OFI_NCCL_VERSION#965

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KeitaW wants to merge 1 commit intomainfrom
removing_AWS_OFI_NCCL_VERSION
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Remove AWS_OFI_NCCL_VERSION#965
KeitaW wants to merge 1 commit intomainfrom
removing_AWS_OFI_NCCL_VERSION

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@KeitaW KeitaW commented Feb 17, 2026

Note: Recreated from #911 which was auto-closed during repository history cleanup (see #959). Original author: @pbelevich

This commit removes AWS_OFI_NCCL_VERSION as an active version input because AWS OFI NCCL is now bundled with the EFA installer.

What changed

[README.md]
Marks AWS_OFI_NCCL_VERSION as deprecated.
Removes it from environment setup examples, docker build args, and image tag format.
Updates example test log description to no longer mention that variable.
[nccl-tests.Dockerfile]
Keeps ARG AWS_OFI_NCCL_VERSION only for backward compatibility, with value ignored.
Adds an explicit verification step to check libnccl-ofi.so exists under /opt/amazon/efa/lib/.

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