Remove unused memory checks to speed up compute
#2719
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Summary:
The memory checks here have non-significant overhead in every compute step as there are a lot of tensor size calls involved here.
In our runs, this accounted for around 20% time spent in the rec metric compute step.
Given that this is not being used anymore, let's remove this call.
This diff removes the call from the metric_module. In the next set of diffs, I'll remove the argument from the callsites.
Differential Revision: D68995122