Kyle Richards is reprising her original “Halloween” role once again in “Halloween Ends,” the final installment in David Gordon Green’s new trilogy of films in the iconic horror series, Variety has learned exclusively. Richards recently closed her deal for “Halloween Ends,” which heads into production next month and is set to be released in Oct. 2022. Richards will join star Jamie Lee Curtis, who she first met as a child actor when she was cast at the age of eight in the original “Halloween” as L