as far as I can tell this has been broken since

commit 118dfcf1
Date:   Thu Apr 17 15:07:52 2003 +0000

<SwSectionFrm::CalcFtnCntnt()> - consider that footnote/endnote can move

with a private bug id so not currently possible to find out what the original
problem to be solved was, so revert that and lock this down with an import test
and maybe we will flush out the original problem eventually.

Change-Id: I2af13b9b5875928aa157d47be0aaff2836ba38e1