Lincoln Project co-founder Rick Wilson on Tuesday doubled down on his 2015 comment that the “donor class” is “going to have to go out and put a bullet in Donald Trump,” despite the Saturday assassination attempt on the former president. Wilson made the comment in October 2015 in the context of arguing that Republican donors needed to destroy Trump’s campaign and boost a stronger candidate to defeat Hillary Clinton, according to a transcript of MSNBC’s “All In with Chris Hayes.” Wilson said Tuesday on “Rick Wilson’s The Enemies List” that the phrase was just a “metaphor” and told people not to …