#830 Initialize login process with more specific methods (with password vs. force login)

src/main/java/fr/xephi/authme/util/CollectionUtils.java

@@ -3,7 +3,6 @@ package fr.xephi.authme.util;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
-import java.util.Objects;
 
 /**
  * Utils class for collections.
@@ -60,15 +59,4 @@ public final class CollectionUtils {
     public static boolean isEmpty(Collection<?> coll) {
         return coll == null || coll.isEmpty();
     }
-
-    public static <T> List<T> filterCommonStart(List<T> list1, List<T> list2) {
-        List<T> commonStart = new ArrayList<>();
-        int minSize = Math.min(list1.size(), list2.size());
-        int i = 0;
-        while (i < minSize && Objects.equals(list1.get(i), list2.get(i))) {
-            commonStart.add(list1.get(i));
-            ++i;
-        }
-        return commonStart;
-    }
 }