Update README.md

Author: WyriHaximus

README.md

@@ -24,14 +24,9 @@ use ApiClients\Tools\Psr7\Oauth1\Definition;
 use ApiClients\Tools\Psr7\Oauth1\RequestSigning\RequestSigner;
 use ApiClients\Tools\Psr7\Oauth1\Signature\HmacSha1Signature;
 
-$consumerSecret = new Definition\ConsumerSecret('consumer_secret');
-
 $requestSigner = new RequestSigner(
     new Definition\ConsumerKey('consumer_key'),
-    $consumerSecret,
-    new HmacSha1Signature( // Optional, but allows for other than HMAC SHA1 signatures
-        $consumerSecret  
-    )
+    new Definition\ConsumerSecret('consumer_secret')
 );
 
 // Pass it a PSR-7 request and it returns a signed PSR7 request you can use in any PSR7 capable HTTP client.