If you were hoping to get to Manhattan from Bayonne by water this year, you’re more likely to accomplish that by swimming rather than a ride on the long-promised-but-yet-to-materialize ferry service. When asked why the long-touted ferry — it’s been a part of not one, but two successful mayoral campaigns by Jimmy Davis — is still just a plan, city officials said they remain in negotiations with the Port Authority of New York and New Jersey. The Port Authority and city declined to comment on the nature of the negotiations, but Coffey said the city has “expedited” them. “We are moving as quickly …