MSNBC’s new president continued to overhaul the embattled network Monday — canceling shows hosted by anchors left-wing anchors Ayman Mohyeldin, Katie Phang and Jonathan Capehart, The Post has learned. The bloodbath follows the ouster of rabid anti-Trump anchor Joy Reid after reports surfaced Sunday that the Comcast-owned network is canceling her show, “The ReidOut.” The…