Kyle Richards was “not happy” about her daughter Alexia Umansky and her estranged husband, Mauricio Umansky, joining “Special Forces: World’s Toughest Test” Season 5. The “Real Housewives of Beverly Hills” star, 57, spoke exclusively to Page Six’s “Virtual Reali-Tea” at the “Real Housewives Ultimate Girls Trip: Roaring 20th” premiere on Tuesday night, where she shared her honest reaction to her family members joining the forthcoming season. “My first thought was, ‘I’m going to kill you, Mauricio,'” Richards told us. “I was actually not happy at all.” The FOX competition series puts a group of celebrity recruits through the rigorous Special…









