Revert "For ENG-6027, add necessary cast"

This reverts commit 58ca49fef4da0079c4284b37566eb244d669f23f.
Revert "For ENG-6027, convert other benchmarks to also log CSV with more precision"

This reverts commit ca491b098ce7529d7591920a911d6bb304eb7034.
For ENG-6027, go a different direction and change the existing CSV output