NEW YORK — The city has no “legal foundation” to cancel its contract with former President Donald Trump’s golf course in the Bronx, a Manhattan judge ruled Friday. Former Mayor Bill de Blasio tried to strip Trump’s name from the city-owned Trump Golf Links at Ferry Point Park in February 2021 after the Jan. 6 insurrection. But Manhattan Supreme Court Judge Debra James wrote in an 18-page ruling that a deal is a deal — even if it was negotiated in 2011 between Trump and city lawyers under former Mayor Michael Bloomberg. “It is almost certainly the case, as in most long-term relationships, contr…