Update Sender Domain inline notice

Remove unused notices displayed before enforcement date.

[MAILPOET-5844]

mailpoet/lib/AdminPages/Pages/Settings.php

@@ -106,9 +106,6 @@ class Settings {
       $data['all_sender_domains'] = $this->senderDomainController->getAllSenderDomains();
       $data['sender_restrictions'] = [
         'lowerLimit' => AuthorizedSenderDomainController::LOWER_LIMIT,
-        'upperLimit' => AuthorizedSenderDomainController::UPPER_LIMIT,
-        'isNewUser' => $this->senderDomainController->isNewUser(),
-        'isEnforcementOfNewRestrictionsInEffect' => $this->senderDomainController->isEnforcementOfNewRestrictionsInEffect(),
       ];
     }