XWIKI-22605: Solr re-indexes many documents after restarting on PostgreSQL

* Remove the emoji from the test as it causes a test failure on
  MySQL 8.4. While it would be good to test with an emoji, the emoji
  didn't cause any actual differences in test executions so far and thus
  doesn't seem worth the hassle of making sure we don't use it on MySQL
  8.4.

xwiki-platform-core/xwiki-platform-search/xwiki-platform-search-test/xwiki-platform-search-test-docker/src/test/it/org/xwiki/search/test/ui/SolrIndexerIT.java

@@ -108,8 +108,7 @@ void sortOrder(TestReference testReference, TestUtils testUtils, TestConfigurati
 
         // Create a couple of pages with interesting names that could have different ordering in Unicode.
         List<String> names =
-            List.of("Abc", "Bac", "bAc", "aBc", "Äbc", "äBc", "bÄc", "Bäc", "Àbc", "àBc", "bÀc", "Bàc",
-                "\uD83D\uDC4Dbc");
+            List.of("Abc", "Bac", "bAc", "aBc", "Äbc", "äBc", "bÄc", "Bäc", "Àbc", "àBc", "bÀc", "Bàc");
 
         for (String name : names) {
             DocumentReference pageReference = new DocumentReference(name, testSpace);