Revert "Merge pull request #1732 from VoltDB/ENG-7018-limit-rows-execute-ee"


This reverts commit 7c7f8723538e5c891bd2fbcbd6179d0be7c1e0ee, reversing
changes made to 0ca73a8cc1d7ec5b6c0eae8483a9464137f63577.

This seems to have caused a performance regression.  Phil has confirmed that this revert addresses it.

(Still murky as to why this would cause the slowdown)