Remove obsolete label

Author: alcaeus

src/ChangeStream.php

@@ -202,10 +202,6 @@ private function isResumableError(RuntimeException $exception)
             return $exception->hasErrorLabel('ResumableChangeStreamError');
         }
 
-        if ($exception->hasErrorLabel('NonResumableChangeStreamError')) {
-            return false;
-        }
-
         return in_array($exception->getCode(), self::$resumableErrorCodes);
     }