fix up any remaining PHPCS linter errors.

backup/moodle2/backup_quickmail_stepslib.php

@@ -70,7 +70,6 @@ protected function define_structure(): backup_nested_element {
             'courseid', 'name', 'value',
         ]);
 
-
         $backuplogsandsettings->add_child($log);
 
         $backuplogsandsettings->add_child($quickmailsettings);

db/upgrade.php

@@ -265,7 +265,6 @@ function xmldb_block_quickmail_upgrade($oldversion): bool {
             $dbman->add_field($table, $field);
         }
 
-
         // Quickmail savepoint reached.
         upgrade_block_savepoint(true, 2014042914, 'quickmail');
     }

email_form.php

@@ -253,7 +253,6 @@ protected function definition(): void {
             )
         );
 
-
         // DWE -> NON REQUIRED VERSION.
         $table->data[] = new html_table_row([$selectedlabel, $rolefilterlabel]);
         $table->data[] = new html_table_row([$selectfilter, $centerbuttons, $filters]);

lib.php

@@ -491,7 +491,7 @@ public static function list_entries($courseid, $type, $page, $perpage, $userid,
             $subject = $log->subject;
             $attachments = $log->attachment;
             if (! empty($log->failuserids)) {
-            // DWE -> keep track of user ids that failed.
+                // DWE -> keep track of user ids that failed.
                 $arrayoffaileduserids = explode(",", $log->failuserids);
             }
             $params = [
@@ -555,7 +555,6 @@ public static function list_entries($courseid, $type, $page, $perpage, $userid,
                 $failcount = "";
             }
 
-
             if ($courseid == 1) {
                 $table->data[] = [$date, $subject, $actionlinks, $statussentornot, $failcount, $sendagain];
             } else {
@@ -683,7 +682,6 @@ public static function clean($failuserids): array {
             if (! is_numeric($failedaddressorid)) {
                 $additionalemails[] = $failedaddressorid;
 
-
                 unset($failuserids[$id]);
             }
         }