It is not called for out-of-borders points anyway, unless
there is a table border on page border, in which case the cursor
shows that dragging should be possible.

Change-Id: If5cecbcd0799c74012c525588c0d2fce5d79ffd6
Reviewed-on: https://gerrit.libreoffice.org/31309Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>