Revert "📈 Add GlitchTip"

This reverts commit d5679a626d.

vendor/php-http/message/src/RequestMatcher/CallbackRequestMatcher.php

@@ -1,35 +0,0 @@
-<?php
-
-namespace Http\Message\RequestMatcher;
-
-use Http\Message\RequestMatcher;
-use Psr\Http\Message\RequestInterface;
-
-/**
- * Match a request with a callback.
- *
- * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
- */
-final class CallbackRequestMatcher implements RequestMatcher
-{
-    /**
-     * @var callable
-     */
-    private $callback;
-
-    /**
-     * @param callable $callback
-     */
-    public function __construct(callable $callback)
-    {
-        $this->callback = $callback;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function matches(RequestInterface $request)
-    {
-        return (bool) call_user_func($this->callback, $request);
-    }
-}