“Survivor 50” star Stephenie LaGrossa gave Cirie Fields a dire warning during their unseen fight on Wednesday’s episode. “I was basically like, ‘Listen, if you take me out, that’s going to be the dumbest thing you’ll ever do,'” LaGrossa exclusively told Page Six. “Because if you take me out, you might be going next.” The pair, who were on multiple shows together before Season 50, targeted each other ahead of Tribal Council, where all the remaining contestants — including Fields — voted LaGrossa out. Stephenie LaGrossa (pictured above) exclusively told Page Six that she warned Cirie Fields that if she voted her out, Fields would be targeted next, during their unseen fight on “Survivor 50.” Robert Voets/CBS “I was basically like, ‘Listen, if you take me out, that’s going to be the dumbest thing you’ll ever do,'” LaGrossa remembered telling Fields (seen above). Robert Voets/CBS During their confrontation, LaGrossa, 46, begged Fields, 55, to keep her in the game. “I’m a shield for you. I’m loyal to you.…