function prohibit_google_recaptcha( $prohibited ){
  $prohibited = is_page(array(2604, 38472)) ? false : true; 
  return $prohibited;
}
add_filter( 'avf_load_google_recaptcha_api_prohibited', 'prohibit_google_recaptcha', 10, 1 );

oder verständlicher ? – dann so

function prohibit_google_recaptcha( $prohibited ){
  $allowed = array(2604, 38472);
  $prohibited = is_page($allowed) ? false : true; 
  return $prohibited;
}
add_filter( 'avf_load_google_recaptcha_api_prohibited', 'prohibit_google_recaptcha', 10, 1 );