I agree with Guest above, tune your uke how you like. However...

I have read a number of posts on uke forums from guitarists who having decided they would like to play uke, bought a baritone uke because it is normally tuned the same as a guitar so it would be easy to get started. They then found they were disappointed because they were just repeating what they did on guitar and felt they were not make the best of the uke's qualities and ended up either retuning or (more commonly) getting a smaller uke and using the conventional uke tuning.

Another thought. Quite a number of uke players tune one of their ukes GCEA (ie low G rather than re-entrant) as they find this is better for finger picking - better for bass runs. They often choose the tenor for this as it seems best suited.