test: remove version restriction in test_rendered_html_should_match_snapshot

Author: MHajoha

tests/local/form/elements/element_html_test.php

@@ -51,11 +51,6 @@ final class element_html_test extends \advanced_testcase {
      * @covers       \qtype_questionpy\local\form\qpy_renderable
      */
     public function test_rendered_html_should_match_snapshot(string $elementkind, qpy_renderable $element): void {
-        global $CFG;
-        if ($CFG->branch < '500') {
-            $this->markTestSkipped('Mform HTML output changes between Moodle versions so we only run them on 5.X');
-        }
-
         $snapshotfilepath = __DIR__ . '/html/' . $elementkind . '.html';
 
         // The sesskey is part of the form and therefore needs to be deterministic.