code: public function removeMediaFromMoodboard($moodboardId, $mediaId)
      {
          $parameters = [
              'query' => [],
              'body' => json_encode([], JSON_UNESCAPED_UNICODE),
              'headers' => [],
          ];
  
          $result = $this->delete('v1/moodboards/' . $moodboardId . '/media/' . $mediaId . '', $parameters);
  
          return $result;
      }
docs: Remove Media from a Moodboard.
  
  @param  int   $moodboardId moodboard ID to remove media from
  @param  int   $mediaId     media ID to remove from specified folder
  @return array