downgrade must be disabled in form, not in module

zimbraSingle.php

@@ -607,13 +607,6 @@ function zimbraSingle_ChangePackage($params) {
     $addonQuota = $params['configoptions']['addonQuota'] ? $params['configoptions']['addonQuota'] : 0;
     $newQuota = ($baseQuota + $addonQuota) * 1073741824;
     $accountQuota = $apiAccountManager->getQuota($params['username']);
-    logModuleCall(
-        'zimbrasingle',
-        __FUNCTION__,
-        $newQuota,
-        'Debug',
-        $accountQuota
-    );
     if(is_a($accountQuota, 'Exception')) {
         logModuleCall(
             'zimbrasingle',
@@ -624,9 +617,6 @@ function zimbraSingle_ChangePackage($params) {
         );
         return 'Error: could not fetch account quota for '. $params['username'];
     }
-    if ($newQuota < $accountQuota) {
-        return 'Error: quota cannot be decreased';
-    }
     $response = $apiAccountManager->modifyAccount($params['username'], ['zimbraMailQuota' => $newQuota,]);
     if(is_a($response, 'Exception')) {
         logModuleCall(