Remove unused global recaptcha key config

docker/wp-config.php

@@ -163,14 +163,6 @@ define('NOSPAM_API_URL', 'http://nospam.investici.org:9001');
  */
 define('R2DB_FLEXIHASH_REPLICAS', 128);
 
-/*
- * A/I patch: global recaptcha key.
- */
-if (array_key_exists('recaptcha', $noblogs_config)) {
-    define('GLOBAL_RECAPTCHA_KEY', $noblogs_config['recaptcha']['key']);
-    define('GLOBAL_RECAPTCHA_PRIVATE_KEY', $noblogs_config['recaptcha']['private_key']);
-}
-
 /*
  * A/I Patch: print debug info on demand when the debug cookie is set.
  */