fix: lesson_13

Author: RMillerCohort251

lesson_13/maps_java/maps_app/src/main/java/com/codedifferently/lesson13/Lesson13.java

@@ -5,9 +5,8 @@
 
 public class Lesson13 {
 
-  
   public int findPermutationDifference(String s, String t) {
-    
+
     Map<Character, Integer> sIndexMap = new HashMap<>();
     for (int i = 0; i < s.length(); i++) {
       sIndexMap.put(s.charAt(i), i);