Yeah he did.
As a candidate Trump said "They (the illegals) All Have To Leave" , many, many times. Is this news to you? Go listen to some early rallies, he says it, repeatedly.
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I'm not saying I like it, but do you really think the country would go for mass deportations of 20 or 30 million people?
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Then be prepared to be bred and voted out of cultural existence.
There are no other options. Sorry to break it to you.
I believe he said they would all need to leave in order to apply for citizenship. I don't believe he said he was going to round them up & deport them.