MDL-80565 report: Revert MDL-41465 changes

* Partial revert of changes made in MDL-41465,
while keeping the API changes made in enrol/lib.

report/loglive/classes/renderable.php

@@ -168,8 +168,6 @@ class report_loglive_renderable implements renderable {
      * @return stdClass filters
      */
     protected function setup_filters() {
-        global $USER;
-
         $readers = $this->get_readers();
 
         // Set up filters.
@@ -180,15 +178,6 @@ class report_loglive_renderable implements renderable {
             if (!has_capability('moodle/site:viewanonymousevents', $context)) {
                 $filter->anonymous = 0;
             }
-            if (groups_get_course_groupmode($this->course) == SEPARATEGROUPS &&
-                !has_capability('moodle/site:accessallgroups', $context)) {
-                if ($cgroups = groups_get_all_groups($this->course->id, $USER->id)) {
-                    $filter->groups = [];
-                    foreach ($cgroups as $cgroup) {
-                        $filter->groups[] = (int)$cgroup->id;
-                    }
-                }
-            }
         } else {
             $filter->courseid = 0;
         }