refactor: remove dead code

remove backward compatibility code with no longer supported versins of GLPI

Signed-off-by: Thierry Bugier <[email protected]>

Author: btry

inc/common.class.php

@@ -73,12 +73,6 @@ public static function setNotification($enable) {
       $CFG_GLPI['use_notifications'] = $enable ? '1' : '0';
    }
 
-   public static function getGlpiVersion() {
-      return defined('GLPI_PREVER')
-             ? GLPI_PREVER
-             : GLPI_VERSION;
-   }
-
    /**
     * Get Link Name
     *

inc/targetticket.class.php

@@ -745,22 +745,13 @@ public function save(PluginFormcreatorFormAnswer $formanswer) {
            'content'                         => $message,
            '_do_not_compute_takeintoaccount' => true
          ];
-         if (class_exists(ITILFollowup::class)) {
-            // GLPI 9.4+
-            $followUpInput += [
-               'items_id' => $ticketID,
-               'itemtype' => Ticket::class,
-            ];
-            $ticketFollowup = new ITILFollowup();
-            $ticketFollowup->add($followUpInput);
-         } else {
-            // GLPI < 9.4
-            $followUpInput += [
-               'tickets_id' => $ticketID,
-            ];
-            $ticketFollowup = new TicketFollowup();
-            $ticketFollowup->add($followUpInput);
-         }
+         // GLPI 9.4+
+         $followUpInput += [
+            'items_id' => $ticketID,
+            'itemtype' => Ticket::class,
+         ];
+         $ticketFollowup = new ITILFollowup();
+         $ticketFollowup->add($followUpInput);
 
          // Restore mail notification setting
          PluginFormcreatorCommon::setNotification($use_mailing);