It was. "Don't be evil" was their motto, since it no longer is means that it was phased out. The GP is wrong on the following motto which, IIRC, was/is "Do the right thing".
Yeah I think I mixed up the mission statement which is technically different (and more “official”) than the motto, which I believe was always unofficial and later made it into the code of conduct or something like it. When I was at Google they drilled the mission statement pretty intensely in internal comms.