This is clipped from within this article -
Update: Scott Johnson of Powerline cautions:
My apologies to readers. The allegedly deleted Schumer tweet does not appear in Pro Publica's authoritative list of deleted Schumer tweets. I regret not verifying the authenticity of the deleted tweet before posting this. I'm declaring it a hoax. I plead in mitigation that I trusted Glenn!
It seems as though this is at minimum unproven and most likely a hoax admitted and apologized for by the author of the piece.