Not so easy. Normally one has to find sofficerc and change Logo=1 to Logo=0. I tracked down my copy of sofficerc to

/usr/lib/openoffice/program/sofficerc

and made the change and ... nothing happened. The copy of sofficerc above references a sofficerc at /etc/openoffice that didn't exist. So the following fixed the issue

touch /etc/openoffice/sofficerc
vi /etc/openoffice/sofficerc
add the following
[Bootstrap]
Logo=0