Mark 2023 down as a formative offseason for the New York Rangers, who are looking to stamp out any doubts next season after a disappointing First Round exit against the New Jersey Devils. While they’re already looking for a new head coach after firing Gerard Gallant, general manager Chris Drury has some offseason player personnel decisions to make, too, after going all in at this year’s trade deadline. In his latest column for The Athletic, Arthur Staple listed forwards Patrick Kane and Vladimir Tarasenko, as well as defenseman Niko Mikkola, as the least likely returnees to the Rangers roster in…