refactor 47

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_47.java

@@ -4,18 +4,6 @@
 import java.util.Arrays;
 import java.util.List;
 
-/**
- * 47. Permutations II
- * 
- * Given a collection of numbers that might contain duplicates, return all possible unique permutations.
-
- For example,
- [1,1,2] have the following unique permutations:
- [
- [1,1,2],
- [1,2,1],
- [2,1,1]
- ]*/
 public class _47 {
     public static class Solution1 {
         /**