Issue in the return of the CelebrityProblem

Since the  we are only assuming that the first person is the celebrity while returning first person as output , 
we should return the only thing that is remained in the stack after the check

Author: Yuvraj15101999

src/main/java/com/rampatra/arrays/CelebrityProblem.java

@@ -75,7 +75,7 @@ public static int findCelebrity(int[][] peoples) {
             }
         }
 
-        return firstPerson;
+        return possibleCelebrites.pop();
     }
 
     public static void main(String[] args) {