Delete Oracle mention in string

[Anton_Meixome]

I have found in

https://translations.documentfoundation.org/gl/libo35x_ui/translate.html?unit=10307494

(Apologize me because I don't know how retrieve the exact general code
reference in Pootle

In this string where survive important references about Oracle

[Lailah]

Thanks very much!!

Sylvia