Remove TODO

Author: cicnavi

src/Server/Grants/PreAuthCodeGrant.php

@@ -175,7 +175,7 @@ public function respondToAccessTokenRequest(
         $resultBag = $this->requestRulesManager->check(
             $request,
             [AuthorizationDetailsRule::class],
-            // TODO: Response mode is not relevant for token request, as there is
+            // Response mode is not relevant for token request, as there is
             // no redirection, but we need to provide something to execute rules.
             new QueryResponseMode(),
             $this->allowedTokenHttpMethods,