MIT license requires attribution ("The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.") so removing you copyright violates the license.
Realistically, there's not much you can do.
You could sue that person but it would be costly (lawyers fees) and the outcome is unknown (those things usually are not litigated so there's little case law to fall back on).
You could send them an e-mail to the effect of "I noticed you've removed my name from your fork of my project. It's not cool and violates the attribution clause of MIT license. I would appreciate it if you restored my copyright attribution.". The important thing would be to not be too forceful or else you might end up with the opposite result (i.e. they'll just dig in).
Realistically, there's not much you can do.
You could sue that person but it would be costly (lawyers fees) and the outcome is unknown (those things usually are not litigated so there's little case law to fall back on).
You could send them an e-mail to the effect of "I noticed you've removed my name from your fork of my project. It's not cool and violates the attribution clause of MIT license. I would appreciate it if you restored my copyright attribution.". The important thing would be to not be too forceful or else you might end up with the opposite result (i.e. they'll just dig in).
Or you can just let it go.