More than a year after OxyContin maker Purdue Pharma reached a tentative settlement over the toll of opioids that was accepted nearly universally by the groups suing the company — including thousands of people injured by the drug — money is still not rolling out.Parties waiting to finalize the deal are waiting for a court to rule on the legality of a key detail: whether members of the Sackler family who own the company can be protected from lawsuits over OxyContin in exchange for handing over up to $6 billion …