Ben Clayton 487a913e31 CloneContext: Remove remnants of clone pointer de-duping
It appears that I didn't do a great job cleaning up the removal of ShareableCloneable in https://dawn-review.googlesource.com/c/tint/+/51484.

Cloning nodes shouldn't return the same pointer. Remove bad comments.
Clean up leftover logic from CloneWithoutTransform().

Change-Id: Ibbc5f625c5978e9c11da59e7aa6197f39b6f0363
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/58220
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: James Price <jrprice@google.com>
Commit-Queue: James Price <jrprice@google.com>
Auto-Submit: Ben Clayton <bclayton@google.com>
2021-07-15 16:37:24 +00:00
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