Remove client secret propety on entity

examples/src/Repositories/ClientRepository.php

@@ -44,7 +44,6 @@ class ClientRepository implements ClientRepositoryInterface
         $client = new ClientEntity();
         $client->setIdentifier($clientIdentifier);
         $client->setName($clients[$clientIdentifier]['name']);
-        $client->setSecret($clients[$clientIdentifier]['secret']);
 
         return $client;
     }

src/Entities/Interfaces/ClientEntityInterface.php

@@ -15,19 +15,6 @@ interface ClientEntityInterface
      */
     public function setIdentifier($identifier);
 
-    /**
-     * Get the client's secret
-     * @return string
-     */
-    public function getSecret();
-
-    /**
-     * Set the client's secret
-     * @param string $secret
-     * @return string
-     */
-    public function setSecret($secret);
-
     /**
      * Get the client's name
      * @return string

src/Entities/Traits/ClientEntityTrait.php

@@ -3,35 +3,11 @@ namespace League\OAuth2\Server\Entities\Traits;
 
 trait ClientEntityTrait
 {
-    /**
-     * @var string
-     */
-    protected $secret;
-
     /**
      * @var string
      */
     protected $name;
 
-    /**
-     * Get the client's secret
-     * @return string
-     */
-    public function getSecret()
-    {
-        return $this->secret;
-    }
-
-    /**
-     * Set the client's secret
-     * @param string $secret
-     * @return string
-     */
-    public function setSecret($secret)
-    {
-        $this->secret = $secret;
-    }
-
     /**
      * Get the client's name
      * @return string