person: replace SimilarPersonMatcher by PersonACLAwareRepository method

src/Bundle/ChillPersonBundle/Search/SimilarPersonMatcher.php

@@ -21,6 +21,9 @@ use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInt
 
 use function count;
 
+/*
+* @deprecated
+*/
 class SimilarPersonMatcher
 {
     public const SIMILAR_SEARCH_ORDER_BY_ALPHABETICAL = 'alphabetical';