cleanup unnecessary code

public/index.php

@@ -74,16 +74,12 @@ $app->get('/tweede/driekwart', function (Request $request, Response $response, $
 
 $app->post('/postdata', function (Request $request, Response $response, $args) {
     $a = $request->getParsedBody();
-    $b = $request->getUploadedFiles();
-    $c = $request->getHeaders();
     $response->getBody()->write("Mijn naam is : " . $a['naam'] . " en ik ben " . $a['leeftijd'] . " jaar oud.");
     return $response;
 });
 
 $app->get('/postdata', function (Request $request, Response $response, $args) {
     $a = $request->getQueryParams();
-    $b = $request->getUploadedFiles();
-    $c = $request->getHeaders();
     $response->getBody()->write("Mijn naam is : " . $a['naam'] . " en ik ben " . $a['leeftijd'] . " jaar oud.");
     return $response;
 });