It is up to the Americans to replace their leader, it cant be done from Canada. Our PM cannot lunch a coup.

From the very start Trudeau has made plain his disagreement with Mr Trumps 
moves against refugees and people from Muslim countries. Canada has not fallen in line with the
Americans in their ludicrous  restrictions  on foreign carriers coming into Canada as the English have done. 

Germany, like Canada has sought to influence US policy through the Ivanka Trump route as she and her husband appear to have a lot of sway with Mr Trump. 

 But Canada cannot spit in his eye or declare him a pariah and refuse to deal with him as no matter how good it would feel, it would put the livelihood of many Canadians at risk.

He may be president for 4 more years though that is a horrifying prospect..

But Canada cannot dislodge him and any attacks on him might  be likely to unite Americans behind their leader and the Americans are the only ones who can get rid of him..