update identifier

Signed-off-by: Maurice Preuß (envoyr) <hello@envoyr.com>

src/Id/Socialite/Provider.php

@@ -15,7 +15,7 @@ class Provider extends AbstractProvider implements ProviderInterface
     /**
      * Unique Provider Identifier.
      */
-    const IDENTIFIER = 'ANIKEEN_ID';
+    const IDENTIFIER = 'ANIKEEN';
 
     /**
      * {@inheritdoc}