This question is an exact duplicate of:
Obviously it's not missing from this Meta, but it is on the Meta of MartialArts.SE.
It's not just an idiosyncracy of the themes being used for this beta site, it also appears to be the the case on other SE sites.
Is there any reason for this? Why must I go to the main SE site to edit my profile, why can't I do it from the site's Meta as well?
Edit: I forgot to add the screen shots, first is the main site, second is the Meta: